blob: 99e6023732691c08cf6060abff318b2331201b35 [file] [log] [blame]
Ben Hutchings8ceee662008-04-27 12:55:59 +01001/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2007 Solarflare Communications Inc.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published
7 * by the Free Software Foundation, incorporated herein by reference.
8 */
9
10#include "net_driver.h"
11#include "phy.h"
12#include "boards.h"
13#include "efx.h"
14
15/* Macros for unpacking the board revision */
16/* The revision info is in host byte order. */
17#define BOARD_TYPE(_rev) (_rev >> 8)
18#define BOARD_MAJOR(_rev) ((_rev >> 4) & 0xf)
19#define BOARD_MINOR(_rev) (_rev & 0xf)
20
21/* Blink support. If the PHY has no auto-blink mode so we hang it off a timer */
22#define BLINK_INTERVAL (HZ/2)
23
24static void blink_led_timer(unsigned long context)
25{
26 struct efx_nic *efx = (struct efx_nic *)context;
27 struct efx_blinker *bl = &efx->board_info.blinker;
28 efx->board_info.set_fault_led(efx, bl->state);
29 bl->state = !bl->state;
Ben Hutchings4cc58bd2008-05-16 21:13:57 +010030 if (bl->resubmit)
31 mod_timer(&bl->timer, jiffies + BLINK_INTERVAL);
Ben Hutchings8ceee662008-04-27 12:55:59 +010032}
33
Ben Hutchingsdc8cfa52008-09-01 12:46:50 +010034static void board_blink(struct efx_nic *efx, bool blink)
Ben Hutchings8ceee662008-04-27 12:55:59 +010035{
36 struct efx_blinker *blinker = &efx->board_info.blinker;
37
38 /* The rtnl mutex serialises all ethtool ioctls, so
39 * nothing special needs doing here. */
40 if (blink) {
Ben Hutchingsdc8cfa52008-09-01 12:46:50 +010041 blinker->resubmit = true;
42 blinker->state = false;
Ben Hutchings8ceee662008-04-27 12:55:59 +010043 setup_timer(&blinker->timer, blink_led_timer,
44 (unsigned long)efx);
Ben Hutchings4cc58bd2008-05-16 21:13:57 +010045 mod_timer(&blinker->timer, jiffies + BLINK_INTERVAL);
Ben Hutchings8ceee662008-04-27 12:55:59 +010046 } else {
Ben Hutchingsdc8cfa52008-09-01 12:46:50 +010047 blinker->resubmit = false;
Ben Hutchings8ceee662008-04-27 12:55:59 +010048 if (blinker->timer.function)
49 del_timer_sync(&blinker->timer);
Ben Hutchingsdc8cfa52008-09-01 12:46:50 +010050 efx->board_info.set_fault_led(efx, false);
Ben Hutchings8ceee662008-04-27 12:55:59 +010051 }
52}
53
54/*****************************************************************************
55 * Support for the SFE4002
56 *
57 */
58/****************************************************************************/
59/* LED allocations. Note that on rev A0 boards the schematic and the reality
60 * differ: red and green are swapped. Below is the fixed (A1) layout (there
61 * are only 3 A0 boards in existence, so no real reason to make this
62 * conditional).
63 */
64#define SFE4002_FAULT_LED (2) /* Red */
65#define SFE4002_RX_LED (0) /* Green */
66#define SFE4002_TX_LED (1) /* Amber */
67
68static int sfe4002_init_leds(struct efx_nic *efx)
69{
70 /* Set the TX and RX LEDs to reflect status and activity, and the
71 * fault LED off */
72 xfp_set_led(efx, SFE4002_TX_LED,
73 QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
74 xfp_set_led(efx, SFE4002_RX_LED,
75 QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
76 xfp_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
77 efx->board_info.blinker.led_num = SFE4002_FAULT_LED;
78 return 0;
79}
80
Ben Hutchingsdc8cfa52008-09-01 12:46:50 +010081static void sfe4002_fault_led(struct efx_nic *efx, bool state)
Ben Hutchings8ceee662008-04-27 12:55:59 +010082{
83 xfp_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
84 QUAKE_LED_OFF);
85}
86
87static int sfe4002_init(struct efx_nic *efx)
88{
89 efx->board_info.init_leds = sfe4002_init_leds;
90 efx->board_info.set_fault_led = sfe4002_fault_led;
91 efx->board_info.blink = board_blink;
92 return 0;
93}
94
95/* This will get expanded as board-specific details get moved out of the
96 * PHY drivers. */
97struct efx_board_data {
98 const char *ref_model;
99 const char *gen_type;
100 int (*init) (struct efx_nic *nic);
101};
102
103static int dummy_init(struct efx_nic *nic)
104{
105 return 0;
106}
107
108static struct efx_board_data board_data[] = {
109 [EFX_BOARD_INVALID] =
110 {NULL, NULL, dummy_init},
111 [EFX_BOARD_SFE4001] =
Ben Hutchings37b5a602008-05-30 22:27:04 +0100112 {"SFE4001", "10GBASE-T adapter", sfe4001_init},
Ben Hutchings8ceee662008-04-27 12:55:59 +0100113 [EFX_BOARD_SFE4002] =
114 {"SFE4002", "XFP adapter", sfe4002_init},
115};
116
117int efx_set_board_info(struct efx_nic *efx, u16 revision_info)
118{
119 int rc = 0;
120 struct efx_board_data *data;
121
122 if (BOARD_TYPE(revision_info) >= EFX_BOARD_MAX) {
123 EFX_ERR(efx, "squashing unknown board type %d\n",
124 BOARD_TYPE(revision_info));
125 revision_info = 0;
126 }
127
128 if (BOARD_TYPE(revision_info) == 0) {
129 efx->board_info.major = 0;
130 efx->board_info.minor = 0;
131 /* For early boards that don't have revision info. there is
132 * only 1 board for each PHY type, so we can work it out, with
133 * the exception of the PHY-less boards. */
134 switch (efx->phy_type) {
135 case PHY_TYPE_10XPRESS:
136 efx->board_info.type = EFX_BOARD_SFE4001;
137 break;
138 case PHY_TYPE_XFP:
139 efx->board_info.type = EFX_BOARD_SFE4002;
140 break;
141 default:
142 efx->board_info.type = 0;
143 break;
144 }
145 } else {
146 efx->board_info.type = BOARD_TYPE(revision_info);
147 efx->board_info.major = BOARD_MAJOR(revision_info);
148 efx->board_info.minor = BOARD_MINOR(revision_info);
149 }
150
151 data = &board_data[efx->board_info.type];
152
153 /* Report the board model number or generic type for recognisable
154 * boards. */
155 if (efx->board_info.type != 0)
156 EFX_INFO(efx, "board is %s rev %c%d\n",
157 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
158 ? data->ref_model : data->gen_type,
159 'A' + efx->board_info.major, efx->board_info.minor);
160
161 efx->board_info.init = data->init;
162
163 return rc;
164}