Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 1 | /***************************************************************************** |
| 2 | * * |
| 3 | * File: cphy.h * |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 4 | * $Revision: 1.7 $ * |
| 5 | * $Date: 2005/06/21 18:29:47 $ * |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 6 | * Description: * |
| 7 | * part of the Chelsio 10Gb Ethernet Driver. * |
| 8 | * * |
| 9 | * This program is free software; you can redistribute it and/or modify * |
| 10 | * it under the terms of the GNU General Public License, version 2, as * |
| 11 | * published by the Free Software Foundation. * |
| 12 | * * |
| 13 | * You should have received a copy of the GNU General Public License along * |
| 14 | * with this program; if not, write to the Free Software Foundation, Inc., * |
| 15 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
| 16 | * * |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * |
| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * |
| 20 | * * |
| 21 | * http://www.chelsio.com * |
| 22 | * * |
| 23 | * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * |
| 24 | * All rights reserved. * |
| 25 | * * |
| 26 | * Maintainers: maintainers@chelsio.com * |
| 27 | * * |
| 28 | * Authors: Dimitrios Michailidis <dm@chelsio.com> * |
| 29 | * Tina Yang <tainay@chelsio.com> * |
| 30 | * Felix Marti <felix@chelsio.com> * |
| 31 | * Scott Bardone <sbardone@chelsio.com> * |
| 32 | * Kurt Ottaway <kottaway@chelsio.com> * |
| 33 | * Frank DiMambro <frank@chelsio.com> * |
| 34 | * * |
| 35 | * History: * |
| 36 | * * |
| 37 | ****************************************************************************/ |
| 38 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 39 | #ifndef _CXGB_CPHY_H_ |
| 40 | #define _CXGB_CPHY_H_ |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 41 | |
| 42 | #include "common.h" |
| 43 | |
| 44 | struct mdio_ops { |
| 45 | void (*init)(adapter_t *adapter, const struct board_info *bi); |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 46 | int (*read)(struct net_device *dev, int phy_addr, int mmd_addr, |
| 47 | u16 reg_addr); |
| 48 | int (*write)(struct net_device *dev, int phy_addr, int mmd_addr, |
| 49 | u16 reg_addr, u16 val); |
| 50 | unsigned mode_support; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | /* PHY interrupt types */ |
| 54 | enum { |
| 55 | cphy_cause_link_change = 0x1, |
Stephen Hemminger | f1d3d38 | 2006-12-01 16:36:16 -0800 | [diff] [blame] | 56 | cphy_cause_error = 0x2, |
| 57 | cphy_cause_fifo_error = 0x3 |
| 58 | }; |
| 59 | |
| 60 | enum { |
| 61 | PHY_LINK_UP = 0x1, |
| 62 | PHY_AUTONEG_RDY = 0x2, |
| 63 | PHY_AUTONEG_EN = 0x4 |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | struct cphy; |
| 67 | |
| 68 | /* PHY operations */ |
| 69 | struct cphy_ops { |
| 70 | void (*destroy)(struct cphy *); |
| 71 | int (*reset)(struct cphy *, int wait); |
| 72 | |
| 73 | int (*interrupt_enable)(struct cphy *); |
| 74 | int (*interrupt_disable)(struct cphy *); |
| 75 | int (*interrupt_clear)(struct cphy *); |
| 76 | int (*interrupt_handler)(struct cphy *); |
| 77 | |
| 78 | int (*autoneg_enable)(struct cphy *); |
| 79 | int (*autoneg_disable)(struct cphy *); |
| 80 | int (*autoneg_restart)(struct cphy *); |
| 81 | |
| 82 | int (*advertise)(struct cphy *phy, unsigned int advertise_map); |
| 83 | int (*set_loopback)(struct cphy *, int on); |
| 84 | int (*set_speed_duplex)(struct cphy *phy, int speed, int duplex); |
| 85 | int (*get_link_status)(struct cphy *phy, int *link_ok, int *speed, |
| 86 | int *duplex, int *fc); |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 87 | |
| 88 | u32 mmds; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 89 | }; |
| 90 | |
| 91 | /* A PHY instance */ |
| 92 | struct cphy { |
Stephen Hemminger | f1d3d38 | 2006-12-01 16:36:16 -0800 | [diff] [blame] | 93 | int state; /* Link status state machine */ |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 94 | adapter_t *adapter; /* associated adapter */ |
Stephen Hemminger | f1d3d38 | 2006-12-01 16:36:16 -0800 | [diff] [blame] | 95 | |
David Howells | 6d5aefb | 2006-12-05 19:36:26 +0000 | [diff] [blame] | 96 | struct delayed_work phy_update; |
Stephen Hemminger | f1d3d38 | 2006-12-01 16:36:16 -0800 | [diff] [blame] | 97 | |
| 98 | u16 bmsr; |
| 99 | int count; |
| 100 | int act_count; |
| 101 | int act_on; |
| 102 | |
| 103 | u32 elmer_gpo; |
| 104 | |
Stephen Hemminger | 459e536 | 2007-02-20 15:58:02 -0800 | [diff] [blame] | 105 | const struct cphy_ops *ops; /* PHY operations */ |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 106 | struct mdio_if_info mdio; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 107 | struct cphy_instance *instance; |
| 108 | }; |
| 109 | |
| 110 | /* Convenience MDIO read/write wrappers */ |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 111 | static inline int cphy_mdio_read(struct cphy *cphy, int mmd, int reg, |
| 112 | unsigned int *valp) |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 113 | { |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 114 | int rc = cphy->mdio.mdio_read(cphy->mdio.dev, cphy->mdio.prtad, mmd, |
| 115 | reg); |
| 116 | *valp = (rc >= 0) ? rc : -1; |
| 117 | return (rc >= 0) ? 0 : rc; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 118 | } |
| 119 | |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 120 | static inline int cphy_mdio_write(struct cphy *cphy, int mmd, int reg, |
| 121 | unsigned int val) |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 122 | { |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 123 | return cphy->mdio.mdio_write(cphy->mdio.dev, cphy->mdio.prtad, mmd, |
| 124 | reg, val); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 125 | } |
| 126 | |
| 127 | static inline int simple_mdio_read(struct cphy *cphy, int reg, |
| 128 | unsigned int *valp) |
| 129 | { |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 130 | return cphy_mdio_read(cphy, MDIO_DEVAD_NONE, reg, valp); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static inline int simple_mdio_write(struct cphy *cphy, int reg, |
| 134 | unsigned int val) |
| 135 | { |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 136 | return cphy_mdio_write(cphy, MDIO_DEVAD_NONE, reg, val); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 137 | } |
| 138 | |
| 139 | /* Convenience initializer */ |
| 140 | static inline void cphy_init(struct cphy *phy, adapter_t *adapter, |
| 141 | int phy_addr, struct cphy_ops *phy_ops, |
Stephen Hemminger | 459e536 | 2007-02-20 15:58:02 -0800 | [diff] [blame] | 142 | const struct mdio_ops *mdio_ops) |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 143 | { |
| 144 | phy->adapter = adapter; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 145 | phy->ops = phy_ops; |
| 146 | if (mdio_ops) { |
Ben Hutchings | 23c3320 | 2009-04-29 08:06:34 +0000 | [diff] [blame^] | 147 | phy->mdio.prtad = phy_addr; |
| 148 | phy->mdio.mmds = phy_ops->mmds; |
| 149 | phy->mdio.mode_support = mdio_ops->mode_support; |
| 150 | phy->mdio.mdio_read = mdio_ops->read; |
| 151 | phy->mdio.mdio_write = mdio_ops->write; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 152 | } |
| 153 | } |
| 154 | |
| 155 | /* Operations of the PHY-instance factory */ |
| 156 | struct gphy { |
| 157 | /* Construct a PHY instance with the given PHY address */ |
| 158 | struct cphy *(*create)(adapter_t *adapter, int phy_addr, |
Stephen Hemminger | 459e536 | 2007-02-20 15:58:02 -0800 | [diff] [blame] | 159 | const struct mdio_ops *mdio_ops); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 160 | |
| 161 | /* |
| 162 | * Reset the PHY chip. This resets the whole PHY chip, not individual |
| 163 | * ports. |
| 164 | */ |
| 165 | int (*reset)(adapter_t *adapter); |
| 166 | }; |
| 167 | |
Stephen Hemminger | 459e536 | 2007-02-20 15:58:02 -0800 | [diff] [blame] | 168 | extern const struct gphy t1_my3126_ops; |
| 169 | extern const struct gphy t1_mv88e1xxx_ops; |
| 170 | extern const struct gphy t1_vsc8244_ops; |
| 171 | extern const struct gphy t1_mv88x201x_ops; |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 172 | |
| 173 | #endif /* _CXGB_CPHY_H_ */ |