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-rw-r--r--drivers/net/sfc/boards.c328
1 files changed, 0 insertions, 328 deletions
diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c
deleted file mode 100644
index 4a4c74c891b7..000000000000
--- a/drivers/net/sfc/boards.c
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@@ -1,328 +0,0 @@
1/****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2007-2008 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#include "workarounds.h"
15
16/* Macros for unpacking the board revision */
17/* The revision info is in host byte order. */
18#define BOARD_TYPE(_rev) (_rev >> 8)
19#define BOARD_MAJOR(_rev) ((_rev >> 4) & 0xf)
20#define BOARD_MINOR(_rev) (_rev & 0xf)
21
22/* Blink support. If the PHY has no auto-blink mode so we hang it off a timer */
23#define BLINK_INTERVAL (HZ/2)
24
25static void blink_led_timer(unsigned long context)
26{
27 struct efx_nic *efx = (struct efx_nic *)context;
28 struct efx_blinker *bl = &efx->board_info.blinker;
29 efx->board_info.set_id_led(efx, bl->state);
30 bl->state = !bl->state;
31 if (bl->resubmit)
32 mod_timer(&bl->timer, jiffies + BLINK_INTERVAL);
33}
34
35static void board_blink(struct efx_nic *efx, bool blink)
36{
37 struct efx_blinker *blinker = &efx->board_info.blinker;
38
39 /* The rtnl mutex serialises all ethtool ioctls, so
40 * nothing special needs doing here. */
41 if (blink) {
42 blinker->resubmit = true;
43 blinker->state = false;
44 setup_timer(&blinker->timer, blink_led_timer,
45 (unsigned long)efx);
46 mod_timer(&blinker->timer, jiffies + BLINK_INTERVAL);
47 } else {
48 blinker->resubmit = false;
49 if (blinker->timer.function)
50 del_timer_sync(&blinker->timer);
51 efx->board_info.init_leds(efx);
52 }
53}
54
55/*****************************************************************************
56 * Support for LM87 sensor chip used on several boards
57 */
58#define LM87_REG_ALARMS1 0x41
59#define LM87_REG_ALARMS2 0x42
60#define LM87_IN_LIMITS(nr, _min, _max) \
61 0x2B + (nr) * 2, _max, 0x2C + (nr) * 2, _min
62#define LM87_AIN_LIMITS(nr, _min, _max) \
63 0x3B + (nr), _max, 0x1A + (nr), _min
64#define LM87_TEMP_INT_LIMITS(_min, _max) \
65 0x39, _max, 0x3A, _min
66#define LM87_TEMP_EXT1_LIMITS(_min, _max) \
67 0x37, _max, 0x38, _min
68
69#define LM87_ALARM_TEMP_INT 0x10
70#define LM87_ALARM_TEMP_EXT1 0x20
71
72#if defined(CONFIG_SENSORS_LM87) || defined(CONFIG_SENSORS_LM87_MODULE)
73
74static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
75 const u8 *reg_values)
76{
77 struct i2c_client *client = i2c_new_device(&efx->i2c_adap, info);
78 int rc;
79
80 if (!client)
81 return -EIO;
82
83 while (*reg_values) {
84 u8 reg = *reg_values++;
85 u8 value = *reg_values++;
86 rc = i2c_smbus_write_byte_data(client, reg, value);
87 if (rc)
88 goto err;
89 }
90
91 efx->board_info.hwmon_client = client;
92 return 0;
93
94err:
95 i2c_unregister_device(client);
96 return rc;
97}
98
99static void efx_fini_lm87(struct efx_nic *efx)
100{
101 i2c_unregister_device(efx->board_info.hwmon_client);
102}
103
104static int efx_check_lm87(struct efx_nic *efx, unsigned mask)
105{
106 struct i2c_client *client = efx->board_info.hwmon_client;
107 s32 alarms1, alarms2;
108
109 /* If link is up then do not monitor temperature */
110 if (EFX_WORKAROUND_7884(efx) && efx->link_up)
111 return 0;
112
113 alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1);
114 alarms2 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS2);
115 if (alarms1 < 0)
116 return alarms1;
117 if (alarms2 < 0)
118 return alarms2;
119 alarms1 &= mask;
120 alarms2 &= mask >> 8;
121 if (alarms1 || alarms2) {
122 EFX_ERR(efx,
123 "LM87 detected a hardware failure (status %02x:%02x)"
124 "%s%s\n",
125 alarms1, alarms2,
126 (alarms1 & LM87_ALARM_TEMP_INT) ? " INTERNAL" : "",
127 (alarms1 & LM87_ALARM_TEMP_EXT1) ? " EXTERNAL" : "");
128 return -ERANGE;
129 }
130
131 return 0;
132}
133
134#else /* !CONFIG_SENSORS_LM87 */
135
136static inline int
137efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info,
138 const u8 *reg_values)
139{
140 return 0;
141}
142static inline void efx_fini_lm87(struct efx_nic *efx)
143{
144}
145static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask)
146{
147 return 0;
148}
149
150#endif /* CONFIG_SENSORS_LM87 */
151
152/*****************************************************************************
153 * Support for the SFE4002
154 *
155 */
156static u8 sfe4002_lm87_channel = 0x03; /* use AIN not FAN inputs */
157
158static const u8 sfe4002_lm87_regs[] = {
159 LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */
160 LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */
161 LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */
162 LM87_IN_LIMITS(3, 0xb0, 0xc9), /* 5V: 4.6-5.2V */
163 LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */
164 LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */
165 LM87_AIN_LIMITS(0, 0xa0, 0xb2), /* AIN1: 1.66V +/- 5% */
166 LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */
167 LM87_TEMP_INT_LIMITS(10, 60), /* board */
168 LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */
169 0
170};
171
172static struct i2c_board_info sfe4002_hwmon_info = {
173 I2C_BOARD_INFO("lm87", 0x2e),
174 .platform_data = &sfe4002_lm87_channel,
175};
176
177/****************************************************************************/
178/* LED allocations. Note that on rev A0 boards the schematic and the reality
179 * differ: red and green are swapped. Below is the fixed (A1) layout (there
180 * are only 3 A0 boards in existence, so no real reason to make this
181 * conditional).
182 */
183#define SFE4002_FAULT_LED (2) /* Red */
184#define SFE4002_RX_LED (0) /* Green */
185#define SFE4002_TX_LED (1) /* Amber */
186
187static void sfe4002_init_leds(struct efx_nic *efx)
188{
189 /* Set the TX and RX LEDs to reflect status and activity, and the
190 * fault LED off */
191 xfp_set_led(efx, SFE4002_TX_LED,
192 QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT);
193 xfp_set_led(efx, SFE4002_RX_LED,
194 QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT);
195 xfp_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF);
196}
197
198static void sfe4002_set_id_led(struct efx_nic *efx, bool state)
199{
200 xfp_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON :
201 QUAKE_LED_OFF);
202}
203
204static int sfe4002_check_hw(struct efx_nic *efx)
205{
206 /* A0 board rev. 4002s report a temperature fault the whole time
207 * (bad sensor) so we mask it out. */
208 unsigned alarm_mask =
209 (efx->board_info.major == 0 && efx->board_info.minor == 0) ?
210 ~LM87_ALARM_TEMP_EXT1 : ~0;
211
212 return efx_check_lm87(efx, alarm_mask);
213}
214
215static int sfe4002_init(struct efx_nic *efx)
216{
217 int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs);
218 if (rc)
219 return rc;
220 efx->board_info.monitor = sfe4002_check_hw;
221 efx->board_info.init_leds = sfe4002_init_leds;
222 efx->board_info.set_id_led = sfe4002_set_id_led;
223 efx->board_info.blink = board_blink;
224 efx->board_info.fini = efx_fini_lm87;
225 return 0;
226}
227
228/*****************************************************************************
229 * Support for the SFN4112F
230 *
231 */
232static u8 sfn4112f_lm87_channel = 0x03; /* use AIN not FAN inputs */
233
234static const u8 sfn4112f_lm87_regs[] = {
235 LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */
236 LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */
237 LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */
238 LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */
239 LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */
240 LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */
241 LM87_TEMP_INT_LIMITS(10, 60), /* board */
242 LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */
243 0
244};
245
246static struct i2c_board_info sfn4112f_hwmon_info = {
247 I2C_BOARD_INFO("lm87", 0x2e),
248 .platform_data = &sfn4112f_lm87_channel,
249};
250
251#define SFN4112F_ACT_LED 0
252#define SFN4112F_LINK_LED 1
253
254static void sfn4112f_init_leds(struct efx_nic *efx)
255{
256 xfp_set_led(efx, SFN4112F_ACT_LED,
257 QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT);
258 xfp_set_led(efx, SFN4112F_LINK_LED,
259 QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT);
260}
261
262static void sfn4112f_set_id_led(struct efx_nic *efx, bool state)
263{
264 xfp_set_led(efx, SFN4112F_LINK_LED,
265 state ? QUAKE_LED_ON : QUAKE_LED_OFF);
266}
267
268static int sfn4112f_check_hw(struct efx_nic *efx)
269{
270 /* Mask out unused sensors */
271 return efx_check_lm87(efx, ~0x48);
272}
273
274static int sfn4112f_init(struct efx_nic *efx)
275{
276 int rc = efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs);
277 if (rc)
278 return rc;
279 efx->board_info.monitor = sfn4112f_check_hw;
280 efx->board_info.init_leds = sfn4112f_init_leds;
281 efx->board_info.set_id_led = sfn4112f_set_id_led;
282 efx->board_info.blink = board_blink;
283 efx->board_info.fini = efx_fini_lm87;
284 return 0;
285}
286
287/* This will get expanded as board-specific details get moved out of the
288 * PHY drivers. */
289struct efx_board_data {
290 enum efx_board_type type;
291 const char *ref_model;
292 const char *gen_type;
293 int (*init) (struct efx_nic *nic);
294};
295
296
297static struct efx_board_data board_data[] = {
298 { EFX_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init },
299 { EFX_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init },
300 { EFX_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter",
301 sfn4111t_init },
302 { EFX_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter",
303 sfn4112f_init },
304};
305
306void efx_set_board_info(struct efx_nic *efx, u16 revision_info)
307{
308 struct efx_board_data *data = NULL;
309 int i;
310
311 efx->board_info.type = BOARD_TYPE(revision_info);
312 efx->board_info.major = BOARD_MAJOR(revision_info);
313 efx->board_info.minor = BOARD_MINOR(revision_info);
314
315 for (i = 0; i < ARRAY_SIZE(board_data); i++)
316 if (board_data[i].type == efx->board_info.type)
317 data = &board_data[i];
318
319 if (data) {
320 EFX_INFO(efx, "board is %s rev %c%d\n",
321 (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC)
322 ? data->ref_model : data->gen_type,
323 'A' + efx->board_info.major, efx->board_info.minor);
324 efx->board_info.init = data->init;
325 } else {
326 EFX_ERR(efx, "unknown board type %d\n", efx->board_info.type);
327 }
328}
generated by cgit v1.2.2 (git 2.25.0) at 2025-05-03 12:24:49 -0400