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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"
Alexandre TORGUE06bce7d2016-04-01 11:37:36 +020027#define DRV_MODULE_VERSION "Jan_2016"
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
Joachim Eastwoode56788c2015-05-20 20:03:07 +020037struct stmmac_resources {
38 void __iomem *addr;
39 const char *mac;
40 int wol_irq;
41 int lpi_irq;
42 int irq;
43};
44
Giuseppe CAVALLARO362b37b2014-08-27 11:27:00 +020045struct stmmac_tx_info {
46 dma_addr_t buf;
47 bool map_as_page;
Giuseppe Cavallaro553e2ab2016-02-29 14:27:31 +010048 unsigned len;
Giuseppe Cavallaro2a6d8e12016-02-29 14:27:32 +010049 bool last_segment;
Giuseppe Cavallaro96951362016-02-29 14:27:33 +010050 bool is_jumbo;
Giuseppe CAVALLARO362b37b2014-08-27 11:27:00 +020051};
52
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070053struct stmmac_priv {
54 /* Frequently used values are kept adjacent for cache effect */
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000055 struct dma_extended_desc *dma_etx ____cacheline_aligned_in_smp;
56 struct dma_desc *dma_tx;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070057 struct sk_buff **tx_skbuff;
58 unsigned int cur_tx;
59 unsigned int dirty_tx;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000060 u32 tx_count_frames;
61 u32 tx_coal_frames;
62 u32 tx_coal_timer;
Giuseppe CAVALLARO362b37b2014-08-27 11:27:00 +020063 struct stmmac_tx_info *tx_skbuff_dma;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000064 dma_addr_t dma_tx_phy;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070065 int tx_coalesce;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000066 int hwts_tx_en;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000067 bool tx_path_in_lpi_mode;
68 struct timer_list txtimer;
Alexandre TORGUEf748be52016-04-01 11:37:34 +020069 bool tso;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070070
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000071 struct dma_desc *dma_rx ____cacheline_aligned_in_smp;
72 struct dma_extended_desc *dma_erx;
73 struct sk_buff **rx_skbuff;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070074 unsigned int cur_rx;
75 unsigned int dirty_rx;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070076 unsigned int dma_buf_sz;
Giuseppe Cavallaro22ad3832016-02-29 14:27:41 +010077 unsigned int rx_copybreak;
Giuseppe Cavallaro120e87f2016-02-29 14:27:42 +010078 unsigned int rx_zeroc_thresh;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000079 u32 rx_riwt;
80 int hwts_rx_en;
81 dma_addr_t *rx_skbuff_dma;
82 dma_addr_t dma_rx_phy;
83
84 struct napi_struct napi ____cacheline_aligned_in_smp;
85
86 void __iomem *ioaddr;
87 struct net_device *dev;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070088 struct device *device;
Giuseppe CAVALLAROdb98a0b2010-01-06 23:07:17 +000089 struct mac_device_info *hw;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +000090 spinlock_t lock;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070091
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070092 int oldlink;
93 int speed;
94 int oldduplex;
95 unsigned int flow_ctrl;
96 unsigned int pause;
97 struct mii_bus *mii;
Giuseppe CAVALLARO36bcfe72011-07-20 00:05:23 +000098 int mii_irq[PHY_MAX_ADDR];
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -070099
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +0000100 struct stmmac_extra_stats xstats ____cacheline_aligned_in_smp;
101 struct plat_stmmacenet_data *plat;
102 struct dma_features dma_cap;
103 struct stmmac_counters mmc;
104 int hw_cap_support;
105 int synopsys_id;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -0700106 u32 msg_enable;
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -0700107 int wolopts;
Deepak Sikri3172d3a2011-09-01 21:51:37 +0000108 int wol_irq;
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000109 struct clk *stmmac_clk;
Andrew Bresticker5f9755d2015-04-07 13:38:45 -0700110 struct clk *pclk;
Chen-Yu Tsaic5e4ddb2014-01-17 21:24:41 +0800111 struct reset_control *stmmac_rst;
Giuseppe CAVALLAROcd7201f2012-04-04 04:33:27 +0000112 int clk_csr;
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +0000113 struct timer_list eee_ctrl_timer;
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +0000114 int lpi_irq;
115 int eee_enabled;
116 int eee_active;
117 int tx_lpi_timer;
Giuseppe CAVALLARO4a7d6662013-03-26 04:43:05 +0000118 unsigned int mode;
Giuseppe CAVALLAROc24602e2013-03-26 04:43:06 +0000119 int extend_desc;
Rayagond Kokatanur92ba6882013-03-26 04:43:11 +0000120 struct ptp_clock *ptp_clock;
121 struct ptp_clock_info ptp_clock_ops;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +0000122 unsigned int default_addend;
Giuseppe CAVALLARO55664012014-08-27 10:37:49 +0200123 struct clk *clk_ptp_ref;
124 unsigned int clk_ptp_rate;
Giuseppe CAVALLARO1bb6dea2013-04-08 02:10:02 +0000125 u32 adv_ts;
126 int use_riwt;
Srinivas Kandagatla89f7f2c2014-01-16 10:53:00 +0000127 int irq_wake;
Rayagond Kokatanur92ba6882013-03-26 04:43:11 +0000128 spinlock_t ptp_lock;
Alexandre TORGUE36ff7c12016-04-01 11:37:32 +0200129 void __iomem *mmcaddr;
Giuseppe CAVALLAROba1ffd72016-11-14 09:27:29 +0100130 void __iomem *ptpaddr;
Alexandre TORGUEf748be52016-04-01 11:37:34 +0200131 u32 rx_tail_addr;
132 u32 tx_tail_addr;
133 u32 mss;
Mathieu Olivari466c5ac2015-05-22 19:03:29 -0700134
135#ifdef CONFIG_DEBUG_FS
136 struct dentry *dbgfs_dir;
137 struct dentry *dbgfs_rings_status;
138 struct dentry *dbgfs_dma_cap;
139#endif
Giuseppe Cavallaro47dd7a52009-10-14 15:13:45 -0700140};
141
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700142int stmmac_mdio_unregister(struct net_device *ndev);
143int stmmac_mdio_register(struct net_device *ndev);
Srinivas Kandagatla073752a2014-01-16 10:52:27 +0000144int stmmac_mdio_reset(struct mii_bus *mii);
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700145void stmmac_set_ethtool_ops(struct net_device *netdev);
Andy Shevchenko915af652014-11-05 11:45:32 +0200146
Giuseppe CAVALLAROc30a70d2016-10-19 09:06:41 +0200147void stmmac_ptp_register(struct stmmac_priv *priv);
Joe Perchesd6cc64e2013-09-23 11:37:59 -0700148void stmmac_ptp_unregister(struct stmmac_priv *priv);
Joachim Eastwoodf4e7bd82016-05-01 22:58:19 +0200149int stmmac_resume(struct device *dev);
150int stmmac_suspend(struct device *dev);
151int stmmac_dvr_remove(struct device *dev);
Joachim Eastwood15ffac72015-05-20 20:03:08 +0200152int stmmac_dvr_probe(struct device *device,
153 struct plat_stmmacenet_data *plat_dat,
154 struct stmmac_resources *res);
Giuseppe CAVALLAROd7659552012-06-27 21:14:37 +0000155void stmmac_disable_eee_mode(struct stmmac_priv *priv);
156bool stmmac_eee_init(struct stmmac_priv *priv);
Giuseppe CAVALLAROba1377ff2012-04-04 04:33:25 +0000157
Rayagond Kokatanurbd4242d2012-08-22 21:28:18 +0000158#endif /* __STMMAC_H__ */