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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 23:49:40 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 23:49:40 +0300 |
commit | 0191b625ca5a46206d2fb862bb08f36f2fcb3b31 (patch) | |
tree | 454d1842b1833d976da62abcbd5c47521ebe9bd7 /drivers/net/sfc/boards.c | |
parent | 54a696bd07c14d3b1192d03ce7269bc59b45209a (diff) | |
parent | eb56092fc168bf5af199d47af50c0d84a96db898 (diff) | |
download | linux-0191b625ca5a46206d2fb862bb08f36f2fcb3b31.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1429 commits)
net: Allow dependancies of FDDI & Tokenring to be modular.
igb: Fix build warning when DCA is disabled.
net: Fix warning fallout from recent NAPI interface changes.
gro: Fix potential use after free
sfc: If AN is enabled, always read speed/duplex from the AN advertising bits
sfc: When disabling the NIC, close the device rather than unregistering it
sfc: SFT9001: Add cable diagnostics
sfc: Add support for multiple PHY self-tests
sfc: Merge top-level functions for self-tests
sfc: Clean up PHY mode management in loopback self-test
sfc: Fix unreliable link detection in some loopback modes
sfc: Generate unique names for per-NIC workqueues
802.3ad: use standard ethhdr instead of ad_header
802.3ad: generalize out mac address initializer
802.3ad: initialize ports LACPDU from const initializer
802.3ad: remove typedef around ad_system
802.3ad: turn ports is_individual into a bool
802.3ad: turn ports is_enabled into a bool
802.3ad: make ntt bool
ixgbe: Fix set_ringparam in ixgbe to use the same memory pools.
...
Fixed trivial IPv4/6 address printing conflicts in fs/cifs/connect.c due
to the conversion to %pI (in this networking merge) and the addition of
doing IPv6 addresses (from the earlier merge of CIFS).
Diffstat (limited to 'drivers/net/sfc/boards.c')
-rw-r--r-- | drivers/net/sfc/boards.c | 206 |
1 files changed, 156 insertions, 50 deletions
diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c index 99e602373269..64903496aa9a 100644 --- a/drivers/net/sfc/boards.c +++ b/drivers/net/sfc/boards.c @@ -1,6 +1,6 @@ /**************************************************************************** * Driver for Solarflare Solarstorm network controllers and boards - * Copyright 2007 Solarflare Communications Inc. + * Copyright 2007-2008 Solarflare Communications Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published @@ -11,6 +11,7 @@ #include "phy.h" #include "boards.h" #include "efx.h" +#include "workarounds.h" /* Macros for unpacking the board revision */ /* The revision info is in host byte order. */ @@ -52,9 +53,128 @@ static void board_blink(struct efx_nic *efx, bool blink) } /***************************************************************************** + * Support for LM87 sensor chip used on several boards + */ +#define LM87_REG_ALARMS1 0x41 +#define LM87_REG_ALARMS2 0x42 +#define LM87_IN_LIMITS(nr, _min, _max) \ + 0x2B + (nr) * 2, _max, 0x2C + (nr) * 2, _min +#define LM87_AIN_LIMITS(nr, _min, _max) \ + 0x3B + (nr), _max, 0x1A + (nr), _min +#define LM87_TEMP_INT_LIMITS(_min, _max) \ + 0x39, _max, 0x3A, _min +#define LM87_TEMP_EXT1_LIMITS(_min, _max) \ + 0x37, _max, 0x38, _min + +#define LM87_ALARM_TEMP_INT 0x10 +#define LM87_ALARM_TEMP_EXT1 0x20 + +#if defined(CONFIG_SENSORS_LM87) || defined(CONFIG_SENSORS_LM87_MODULE) + +static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info, + const u8 *reg_values) +{ + struct i2c_client *client = i2c_new_device(&efx->i2c_adap, info); + int rc; + + if (!client) + return -EIO; + + while (*reg_values) { + u8 reg = *reg_values++; + u8 value = *reg_values++; + rc = i2c_smbus_write_byte_data(client, reg, value); + if (rc) + goto err; + } + + efx->board_info.hwmon_client = client; + return 0; + +err: + i2c_unregister_device(client); + return rc; +} + +static void efx_fini_lm87(struct efx_nic *efx) +{ + i2c_unregister_device(efx->board_info.hwmon_client); +} + +static int efx_check_lm87(struct efx_nic *efx, unsigned mask) +{ + struct i2c_client *client = efx->board_info.hwmon_client; + s32 alarms1, alarms2; + + /* If link is up then do not monitor temperature */ + if (EFX_WORKAROUND_7884(efx) && efx->link_up) + return 0; + + alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1); + alarms2 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS2); + if (alarms1 < 0) + return alarms1; + if (alarms2 < 0) + return alarms2; + alarms1 &= mask; + alarms2 &= mask >> 8; + if (alarms1 || alarms2) { + EFX_ERR(efx, + "LM87 detected a hardware failure (status %02x:%02x)" + "%s%s\n", + alarms1, alarms2, + (alarms1 & LM87_ALARM_TEMP_INT) ? " INTERNAL" : "", + (alarms1 & LM87_ALARM_TEMP_EXT1) ? " EXTERNAL" : ""); + return -ERANGE; + } + + return 0; +} + +#else /* !CONFIG_SENSORS_LM87 */ + +static inline int +efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info, + const u8 *reg_values) +{ + return 0; +} +static inline void efx_fini_lm87(struct efx_nic *efx) +{ +} +static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask) +{ + return 0; +} + +#endif /* CONFIG_SENSORS_LM87 */ + +/***************************************************************************** * Support for the SFE4002 * */ +static u8 sfe4002_lm87_channel = 0x03; /* use AIN not FAN inputs */ + +static const u8 sfe4002_lm87_regs[] = { + LM87_IN_LIMITS(0, 0x83, 0x91), /* 2.5V: 1.8V +/- 5% */ + LM87_IN_LIMITS(1, 0x51, 0x5a), /* Vccp1: 1.2V +/- 5% */ + LM87_IN_LIMITS(2, 0xb6, 0xca), /* 3.3V: 3.3V +/- 5% */ + LM87_IN_LIMITS(3, 0xb0, 0xc9), /* 5V: 4.6-5.2V */ + LM87_IN_LIMITS(4, 0xb0, 0xe0), /* 12V: 11-14V */ + LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 5% */ + LM87_AIN_LIMITS(0, 0xa0, 0xb2), /* AIN1: 1.66V +/- 5% */ + LM87_AIN_LIMITS(1, 0x91, 0xa1), /* AIN2: 1.5V +/- 5% */ + LM87_TEMP_INT_LIMITS(10, 60), /* board */ + LM87_TEMP_EXT1_LIMITS(10, 70), /* Falcon */ + 0 +}; + +static struct i2c_board_info sfe4002_hwmon_info = { + I2C_BOARD_INFO("lm87", 0x2e), + .platform_data = &sfe4002_lm87_channel, + .irq = -1, +}; + /****************************************************************************/ /* LED allocations. Note that on rev A0 boards the schematic and the reality * differ: red and green are swapped. Below is the fixed (A1) layout (there @@ -84,81 +204,67 @@ static void sfe4002_fault_led(struct efx_nic *efx, bool state) QUAKE_LED_OFF); } +static int sfe4002_check_hw(struct efx_nic *efx) +{ + /* A0 board rev. 4002s report a temperature fault the whole time + * (bad sensor) so we mask it out. */ + unsigned alarm_mask = + (efx->board_info.major == 0 && efx->board_info.minor == 0) ? + ~LM87_ALARM_TEMP_EXT1 : ~0; + + return efx_check_lm87(efx, alarm_mask); +} + static int sfe4002_init(struct efx_nic *efx) { + int rc = efx_init_lm87(efx, &sfe4002_hwmon_info, sfe4002_lm87_regs); + if (rc) + return rc; + efx->board_info.monitor = sfe4002_check_hw; efx->board_info.init_leds = sfe4002_init_leds; efx->board_info.set_fault_led = sfe4002_fault_led; efx->board_info.blink = board_blink; + efx->board_info.fini = efx_fini_lm87; return 0; } /* This will get expanded as board-specific details get moved out of the * PHY drivers. */ struct efx_board_data { + enum efx_board_type type; const char *ref_model; const char *gen_type; int (*init) (struct efx_nic *nic); }; -static int dummy_init(struct efx_nic *nic) -{ - return 0; -} static struct efx_board_data board_data[] = { - [EFX_BOARD_INVALID] = - {NULL, NULL, dummy_init}, - [EFX_BOARD_SFE4001] = - {"SFE4001", "10GBASE-T adapter", sfe4001_init}, - [EFX_BOARD_SFE4002] = - {"SFE4002", "XFP adapter", sfe4002_init}, + { EFX_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init }, + { EFX_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init }, + { EFX_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter", + sfn4111t_init }, }; -int efx_set_board_info(struct efx_nic *efx, u16 revision_info) +void efx_set_board_info(struct efx_nic *efx, u16 revision_info) { - int rc = 0; - struct efx_board_data *data; - - if (BOARD_TYPE(revision_info) >= EFX_BOARD_MAX) { - EFX_ERR(efx, "squashing unknown board type %d\n", - BOARD_TYPE(revision_info)); - revision_info = 0; - } + struct efx_board_data *data = NULL; + int i; - if (BOARD_TYPE(revision_info) == 0) { - efx->board_info.major = 0; - efx->board_info.minor = 0; - /* For early boards that don't have revision info. there is - * only 1 board for each PHY type, so we can work it out, with - * the exception of the PHY-less boards. */ - switch (efx->phy_type) { - case PHY_TYPE_10XPRESS: - efx->board_info.type = EFX_BOARD_SFE4001; - break; - case PHY_TYPE_XFP: - efx->board_info.type = EFX_BOARD_SFE4002; - break; - default: - efx->board_info.type = 0; - break; - } - } else { - efx->board_info.type = BOARD_TYPE(revision_info); - efx->board_info.major = BOARD_MAJOR(revision_info); - efx->board_info.minor = BOARD_MINOR(revision_info); - } + efx->board_info.type = BOARD_TYPE(revision_info); + efx->board_info.major = BOARD_MAJOR(revision_info); + efx->board_info.minor = BOARD_MINOR(revision_info); - data = &board_data[efx->board_info.type]; + for (i = 0; i < ARRAY_SIZE(board_data); i++) + if (board_data[i].type == efx->board_info.type) + data = &board_data[i]; - /* Report the board model number or generic type for recognisable - * boards. */ - if (efx->board_info.type != 0) + if (data) { EFX_INFO(efx, "board is %s rev %c%d\n", (efx->pci_dev->subsystem_vendor == EFX_VENDID_SFC) ? data->ref_model : data->gen_type, 'A' + efx->board_info.major, efx->board_info.minor); - - efx->board_info.init = data->init; - - return rc; + efx->board_info.init = data->init; + } else { + EFX_ERR(efx, "unknown board type %d\n", efx->board_info.type); + } } |