diff options
Diffstat (limited to 'drivers/net/sfc/falcon_boards.c')
| -rw-r--r-- | drivers/net/sfc/falcon_boards.c | 752 |
1 files changed, 752 insertions, 0 deletions
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c new file mode 100644 index 000000000000..99f737223b10 --- /dev/null +++ b/drivers/net/sfc/falcon_boards.c @@ -0,0 +1,752 @@ +/**************************************************************************** + * Driver for Solarflare Solarstorm network controllers and boards + * 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 + * by the Free Software Foundation, incorporated herein by reference. + */ + +#include <linux/rtnetlink.h> + +#include "net_driver.h" +#include "phy.h" +#include "efx.h" +#include "falcon.h" +#include "regs.h" +#include "io.h" +#include "workarounds.h" + +/* Macros for unpacking the board revision */ +/* The revision info is in host byte order. */ +#define FALCON_BOARD_TYPE(_rev) (_rev >> 8) +#define FALCON_BOARD_MAJOR(_rev) ((_rev >> 4) & 0xf) +#define FALCON_BOARD_MINOR(_rev) (_rev & 0xf) + +/* Board types */ +#define FALCON_BOARD_SFE4001 0x01 +#define FALCON_BOARD_SFE4002 0x02 +#define FALCON_BOARD_SFN4111T 0x51 +#define FALCON_BOARD_SFN4112F 0x52 + +/* Blink support. If the PHY has no auto-blink mode so we hang it off a timer */ +#define BLINK_INTERVAL (HZ/2) + +static void blink_led_timer(unsigned long context) +{ + struct efx_nic *efx = (struct efx_nic *)context; + struct efx_board *board = &efx->board_info; + + board->set_id_led(efx, board->blink_state); + board->blink_state = !board->blink_state; + if (board->blink_resubmit) + mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL); +} + +static void board_blink(struct efx_nic *efx, bool blink) +{ + struct efx_board *board = &efx->board_info; + + /* The rtnl mutex serialises all ethtool ioctls, so + * nothing special needs doing here. */ + if (blink) { + board->blink_resubmit = true; + board->blink_state = false; + setup_timer(&board->blink_timer, blink_led_timer, + (unsigned long)efx); + mod_timer(&board->blink_timer, jiffies + BLINK_INTERVAL); + } else { + board->blink_resubmit = false; + if (board->blink_timer.function) + del_timer_sync(&board->blink_timer); + board->init_leds(efx); + } +} + +/***************************************************************************** + * 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 SFE4001 and SFN4111T NICs. + * + * The SFE4001 does not power-up fully at reset due to its high power + * consumption. We control its power via a PCA9539 I/O expander. + * Both boards have a MAX6647 temperature monitor which we expose to + * the lm90 driver. + * + * This also provides minimal support for reflashing the PHY, which is + * initiated by resetting it with the FLASH_CFG_1 pin pulled down. + * On SFE4001 rev A2 and later this is connected to the 3V3X output of + * the IO-expander; on the SFN4111T it is connected to Falcon's GPIO3. + * We represent reflash mode as PHY_MODE_SPECIAL and make it mutually + * exclusive with the network device being open. + */ + +/************************************************************************** + * Support for I2C IO Expander device on SFE40001 + */ +#define PCA9539 0x74 + +#define P0_IN 0x00 +#define P0_OUT 0x02 +#define P0_INVERT 0x04 +#define P0_CONFIG 0x06 + +#define P0_EN_1V0X_LBN 0 +#define P0_EN_1V0X_WIDTH 1 +#define P0_EN_1V2_LBN 1 +#define P0_EN_1V2_WIDTH 1 +#define P0_EN_2V5_LBN 2 +#define P0_EN_2V5_WIDTH 1 +#define P0_EN_3V3X_LBN 3 +#define P0_EN_3V3X_WIDTH 1 +#define P0_EN_5V_LBN 4 +#define P0_EN_5V_WIDTH 1 +#define P0_SHORTEN_JTAG_LBN 5 +#define P0_SHORTEN_JTAG_WIDTH 1 +#define P0_X_TRST_LBN 6 +#define P0_X_TRST_WIDTH 1 +#define P0_DSP_RESET_LBN 7 +#define P0_DSP_RESET_WIDTH 1 + +#define P1_IN 0x01 +#define P1_OUT 0x03 +#define P1_INVERT 0x05 +#define P1_CONFIG 0x07 + +#define P1_AFE_PWD_LBN 0 +#define P1_AFE_PWD_WIDTH 1 +#define P1_DSP_PWD25_LBN 1 +#define P1_DSP_PWD25_WIDTH 1 +#define P1_RESERVED_LBN 2 +#define P1_RESERVED_WIDTH 2 +#define P1_SPARE_LBN 4 +#define P1_SPARE_WIDTH 4 + +/* Temperature Sensor */ +#define MAX664X_REG_RSL 0x02 +#define MAX664X_REG_WLHO 0x0B + +static void sfe4001_poweroff(struct efx_nic *efx) +{ + struct i2c_client *ioexp_client = efx->board_info.ioexp_client; + struct i2c_client *hwmon_client = efx->board_info.hwmon_client; + + /* Turn off all power rails and disable outputs */ + i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff); + i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG, 0xff); + i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0xff); + + /* Clear any over-temperature alert */ + i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL); +} + +static int sfe4001_poweron(struct efx_nic *efx) +{ + struct i2c_client *hwmon_client = efx->board_info.hwmon_client; + struct i2c_client *ioexp_client = efx->board_info.ioexp_client; + unsigned int i, j; + int rc; + u8 out; + + /* Clear any previous over-temperature alert */ + rc = i2c_smbus_read_byte_data(hwmon_client, MAX664X_REG_RSL); + if (rc < 0) + return rc; + + /* Enable port 0 and port 1 outputs on IO expander */ + rc = i2c_smbus_write_byte_data(ioexp_client, P0_CONFIG, 0x00); + if (rc) + return rc; + rc = i2c_smbus_write_byte_data(ioexp_client, P1_CONFIG, + 0xff & ~(1 << P1_SPARE_LBN)); + if (rc) + goto fail_on; + + /* If PHY power is on, turn it all off and wait 1 second to + * ensure a full reset. + */ + rc = i2c_smbus_read_byte_data(ioexp_client, P0_OUT); + if (rc < 0) + goto fail_on; + out = 0xff & ~((0 << P0_EN_1V2_LBN) | (0 << P0_EN_2V5_LBN) | + (0 << P0_EN_3V3X_LBN) | (0 << P0_EN_5V_LBN) | + (0 << P0_EN_1V0X_LBN)); + if (rc != out) { + EFX_INFO(efx, "power-cycling PHY\n"); + rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out); + if (rc) + goto fail_on; + schedule_timeout_uninterruptible(HZ); + } + + for (i = 0; i < 20; ++i) { + /* Turn on 1.2V, 2.5V, 3.3V and 5V power rails */ + out = 0xff & ~((1 << P0_EN_1V2_LBN) | (1 << P0_EN_2V5_LBN) | + (1 << P0_EN_3V3X_LBN) | (1 << P0_EN_5V_LBN) | + (1 << P0_X_TRST_LBN)); + if (efx->phy_mode & PHY_MODE_SPECIAL) + out |= 1 << P0_EN_3V3X_LBN; + + rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out); + if (rc) + goto fail_on; + msleep(10); + + /* Turn on 1V power rail */ + out &= ~(1 << P0_EN_1V0X_LBN); + rc = i2c_smbus_write_byte_data(ioexp_client, P0_OUT, out); + if (rc) + goto fail_on; + + EFX_INFO(efx, "waiting for DSP boot (attempt %d)...\n", i); + + /* In flash config mode, DSP does not turn on AFE, so + * just wait 1 second. + */ + if (efx->phy_mode & PHY_MODE_SPECIAL) { + schedule_timeout_uninterruptible(HZ); + return 0; + } + + for (j = 0; j < 10; ++j) { + msleep(100); + + /* Check DSP has asserted AFE power line */ + rc = i2c_smbus_read_byte_data(ioexp_client, P1_IN); + if (rc < 0) + goto fail_on; + if (rc & (1 << P1_AFE_PWD_LBN)) + return 0; + } + } + + EFX_INFO(efx, "timed out waiting for DSP boot\n"); + rc = -ETIMEDOUT; +fail_on: + sfe4001_poweroff(efx); + return rc; +} + +static int sfn4111t_reset(struct efx_nic *efx) +{ + efx_oword_t reg; + + /* GPIO 3 and the GPIO register are shared with I2C, so block that */ + mutex_lock(&efx->i2c_adap.bus_lock); + + /* Pull RST_N (GPIO 2) low then let it up again, setting the + * FLASH_CFG_1 strap (GPIO 3) appropriately. Only change the + * output enables; the output levels should always be 0 (low) + * and we rely on external pull-ups. */ + efx_reado(efx, ®, FR_AB_GPIO_CTL); + EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, true); + efx_writeo(efx, ®, FR_AB_GPIO_CTL); + msleep(1000); + EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO2_OEN, false); + EFX_SET_OWORD_FIELD(reg, FRF_AB_GPIO3_OEN, + !!(efx->phy_mode & PHY_MODE_SPECIAL)); + efx_writeo(efx, ®, FR_AB_GPIO_CTL); + msleep(1); + + mutex_unlock(&efx->i2c_adap.bus_lock); + + ssleep(1); + return 0; +} + +static ssize_t show_phy_flash_cfg(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); + return sprintf(buf, "%d\n", !!(efx->phy_mode & PHY_MODE_SPECIAL)); +} + +static ssize_t set_phy_flash_cfg(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct efx_nic *efx = pci_get_drvdata(to_pci_dev(dev)); + enum efx_phy_mode old_mode, new_mode; + int err; + + rtnl_lock(); + old_mode = efx->phy_mode; + if (count == 0 || *buf == '0') + new_mode = old_mode & ~PHY_MODE_SPECIAL; + else + new_mode = PHY_MODE_SPECIAL; + if (old_mode == new_mode) { + err = 0; + } else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) { + err = -EBUSY; + } else { + /* Reset the PHY, reconfigure the MAC and enable/disable + * MAC stats accordingly. */ + efx->phy_mode = new_mode; + if (new_mode & PHY_MODE_SPECIAL) + efx_stats_disable(efx); + if (efx->board_info.type == FALCON_BOARD_SFE4001) + err = sfe4001_poweron(efx); + else + err = sfn4111t_reset(efx); + efx_reconfigure_port(efx); + if (!(new_mode & PHY_MODE_SPECIAL)) + efx_stats_enable(efx); + } + rtnl_unlock(); + + return err ? err : count; +} + +static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg); + +static void sfe4001_fini(struct efx_nic *efx) +{ + EFX_INFO(efx, "%s\n", __func__); + + device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); + sfe4001_poweroff(efx); + i2c_unregister_device(efx->board_info.ioexp_client); + i2c_unregister_device(efx->board_info.hwmon_client); +} + +static int sfe4001_check_hw(struct efx_nic *efx) +{ + s32 status; + + /* If XAUI link is up then do not monitor */ + if (EFX_WORKAROUND_7884(efx) && efx->mac_up) + return 0; + + /* Check the powered status of the PHY. Lack of power implies that + * the MAX6647 has shut down power to it, probably due to a temp. + * alarm. Reading the power status rather than the MAX6647 status + * directly because the later is read-to-clear and would thus + * start to power up the PHY again when polled, causing us to blip + * the power undesirably. + * We know we can read from the IO expander because we did + * it during power-on. Assume failure now is bad news. */ + status = i2c_smbus_read_byte_data(efx->board_info.ioexp_client, P1_IN); + if (status >= 0 && + (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0) + return 0; + + /* Use board power control, not PHY power control */ + sfe4001_poweroff(efx); + efx->phy_mode = PHY_MODE_OFF; + + return (status < 0) ? -EIO : -ERANGE; +} + +static struct i2c_board_info sfe4001_hwmon_info = { + I2C_BOARD_INFO("max6647", 0x4e), +}; + +/* This board uses an I2C expander to provider power to the PHY, which needs to + * be turned on before the PHY can be used. + * Context: Process context, rtnl lock held + */ +static int sfe4001_init(struct efx_nic *efx) +{ + int rc; + +#if defined(CONFIG_SENSORS_LM90) || defined(CONFIG_SENSORS_LM90_MODULE) + efx->board_info.hwmon_client = + i2c_new_device(&efx->i2c_adap, &sfe4001_hwmon_info); +#else + efx->board_info.hwmon_client = + i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr); +#endif + if (!efx->board_info.hwmon_client) + return -EIO; + + /* Raise board/PHY high limit from 85 to 90 degrees Celsius */ + rc = i2c_smbus_write_byte_data(efx->board_info.hwmon_client, + MAX664X_REG_WLHO, 90); + if (rc) + goto fail_hwmon; + + efx->board_info.ioexp_client = i2c_new_dummy(&efx->i2c_adap, PCA9539); + if (!efx->board_info.ioexp_client) { + rc = -EIO; + goto fail_hwmon; + } + + /* 10Xpress has fixed-function LED pins, so there is no board-specific + * blink code. */ + efx->board_info.blink = tenxpress_phy_blink; + + efx->board_info.monitor = sfe4001_check_hw; + efx->board_info.fini = sfe4001_fini; + + if (efx->phy_mode & PHY_MODE_SPECIAL) { + /* PHY won't generate a 156.25 MHz clock and MAC stats fetch + * will fail. */ + efx_stats_disable(efx); + } + rc = sfe4001_poweron(efx); + if (rc) + goto fail_ioexp; + + rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); + if (rc) + goto fail_on; + + EFX_INFO(efx, "PHY is powered on\n"); + return 0; + +fail_on: + sfe4001_poweroff(efx); +fail_ioexp: + i2c_unregister_device(efx->board_info.ioexp_client); +fail_hwmon: + i2c_unregister_device(efx->board_info.hwmon_client); + return rc; +} + +static int sfn4111t_check_hw(struct efx_nic *efx) +{ + s32 status; + + /* If XAUI link is up then do not monitor */ + if (EFX_WORKAROUND_7884(efx) && efx->mac_up) + return 0; + + /* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */ + status = i2c_smbus_read_byte_data(efx->board_info.hwmon_client, + MAX664X_REG_RSL); + if (status < 0) + return -EIO; + if (status & 0x57) + return -ERANGE; + return 0; +} + +static void sfn4111t_fini(struct efx_nic *efx) +{ + EFX_INFO(efx, "%s\n", __func__); + + device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); + i2c_unregister_device(efx->board_info.hwmon_client); +} + +static struct i2c_board_info sfn4111t_a0_hwmon_info = { + I2C_BOARD_INFO("max6647", 0x4e), +}; + +static struct i2c_board_info sfn4111t_r5_hwmon_info = { + I2C_BOARD_INFO("max6646", 0x4d), +}; + +static int sfn4111t_init(struct efx_nic *efx) +{ + int i = 0; + int rc; + + efx->board_info.hwmon_client = + i2c_new_device(&efx->i2c_adap, + (efx->board_info.minor < 5) ? + &sfn4111t_a0_hwmon_info : + &sfn4111t_r5_hwmon_info); + if (!efx->board_info.hwmon_client) + return -EIO; + + efx->board_info.blink = tenxpress_phy_blink; + efx->board_info.monitor = sfn4111t_check_hw; + efx->board_info.fini = sfn4111t_fini; + + rc = device_create_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); + if (rc) + goto fail_hwmon; + + do { + if (efx->phy_mode & PHY_MODE_SPECIAL) { + /* PHY may not generate a 156.25 MHz clock and MAC + * stats fetch will fail. */ + efx_stats_disable(efx); + sfn4111t_reset(efx); + } + rc = sft9001_wait_boot(efx); + if (rc == 0) + return 0; + efx->phy_mode = PHY_MODE_SPECIAL; + } while (rc == -EINVAL && ++i < 2); + + device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); +fail_hwmon: + i2c_unregister_device(efx->board_info.hwmon_client); + return rc; +} + +/***************************************************************************** + * 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, +}; + +/****************************************************************************/ +/* 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 + * are only 3 A0 boards in existence, so no real reason to make this + * conditional). + */ +#define SFE4002_FAULT_LED (2) /* Red */ +#define SFE4002_RX_LED (0) /* Green */ +#define SFE4002_TX_LED (1) /* Amber */ + +static void sfe4002_init_leds(struct efx_nic *efx) +{ + /* Set the TX and RX LEDs to reflect status and activity, and the + * fault LED off */ + falcon_qt202x_set_led(efx, SFE4002_TX_LED, + QUAKE_LED_TXLINK | QUAKE_LED_LINK_ACTSTAT); + falcon_qt202x_set_led(efx, SFE4002_RX_LED, + QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACTSTAT); + falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF); +} + +static void sfe4002_set_id_led(struct efx_nic *efx, bool state) +{ + falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON : + 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_id_led = sfe4002_set_id_led; + efx->board_info.blink = board_blink; + efx->board_info.fini = efx_fini_lm87; + return 0; +} + +/***************************************************************************** + * Support for the SFN4112F + * + */ +static u8 sfn4112f_lm87_channel = 0x03; /* use AIN not FAN inputs */ + +static const u8 sfn4112f_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(4, 0xb0, 0xe0), /* 12V: 11-14V */ + LM87_IN_LIMITS(5, 0x44, 0x4b), /* Vccp2: 1.0V +/- 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 sfn4112f_hwmon_info = { + I2C_BOARD_INFO("lm87", 0x2e), + .platform_data = &sfn4112f_lm87_channel, +}; + +#define SFN4112F_ACT_LED 0 +#define SFN4112F_LINK_LED 1 + +static void sfn4112f_init_leds(struct efx_nic *efx) +{ + falcon_qt202x_set_led(efx, SFN4112F_ACT_LED, + QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT); + falcon_qt202x_set_led(efx, SFN4112F_LINK_LED, + QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT); +} + +static void sfn4112f_set_id_led(struct efx_nic *efx, bool state) +{ + falcon_qt202x_set_led(efx, SFN4112F_LINK_LED, + state ? QUAKE_LED_ON : QUAKE_LED_OFF); +} + +static int sfn4112f_check_hw(struct efx_nic *efx) +{ + /* Mask out unused sensors */ + return efx_check_lm87(efx, ~0x48); +} + +static int sfn4112f_init(struct efx_nic *efx) +{ + int rc = efx_init_lm87(efx, &sfn4112f_hwmon_info, sfn4112f_lm87_regs); + if (rc) + return rc; + efx->board_info.monitor = sfn4112f_check_hw; + efx->board_info.init_leds = sfn4112f_init_leds; + efx->board_info.set_id_led = sfn4112f_set_id_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 falcon_board_data { + u8 type; + const char *ref_model; + const char *gen_type; + int (*init) (struct efx_nic *nic); +}; + + +static struct falcon_board_data board_data[] = { + { FALCON_BOARD_SFE4001, "SFE4001", "10GBASE-T adapter", sfe4001_init }, + { FALCON_BOARD_SFE4002, "SFE4002", "XFP adapter", sfe4002_init }, + { FALCON_BOARD_SFN4111T, "SFN4111T", "100/1000/10GBASE-T adapter", + sfn4111t_init }, + { FALCON_BOARD_SFN4112F, "SFN4112F", "SFP+ adapter", + sfn4112f_init }, +}; + +void falcon_probe_board(struct efx_nic *efx, u16 revision_info) +{ + struct falcon_board_data *data = NULL; + int i; + + efx->board_info.type = FALCON_BOARD_TYPE(revision_info); + efx->board_info.major = FALCON_BOARD_MAJOR(revision_info); + efx->board_info.minor = FALCON_BOARD_MINOR(revision_info); + + for (i = 0; i < ARRAY_SIZE(board_data); i++) + if (board_data[i].type == efx->board_info.type) + data = &board_data[i]; + + 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; + } else { + EFX_ERR(efx, "unknown board type %d\n", efx->board_info.type); + } +} |