diff options
Diffstat (limited to 'drivers/net/sfc/falcon_boards.c')
-rw-r--r-- | drivers/net/sfc/falcon_boards.c | 230 |
1 files changed, 118 insertions, 112 deletions
diff --git a/drivers/net/sfc/falcon_boards.c b/drivers/net/sfc/falcon_boards.c index 99f737223b1..333ccc14e52 100644 --- a/drivers/net/sfc/falcon_boards.c +++ b/drivers/net/sfc/falcon_boards.c @@ -29,40 +29,6 @@ #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 */ @@ -85,7 +51,8 @@ static void board_blink(struct efx_nic *efx, bool blink) 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); + struct falcon_board *board = falcon_board(efx); + struct i2c_client *client = i2c_new_device(&board->i2c_adap, info); int rc; if (!client) @@ -99,7 +66,7 @@ static int efx_init_lm87(struct efx_nic *efx, struct i2c_board_info *info, goto err; } - efx->board_info.hwmon_client = client; + board->hwmon_client = client; return 0; err: @@ -109,16 +76,16 @@ err: static void efx_fini_lm87(struct efx_nic *efx) { - i2c_unregister_device(efx->board_info.hwmon_client); + i2c_unregister_device(falcon_board(efx)->hwmon_client); } static int efx_check_lm87(struct efx_nic *efx, unsigned mask) { - struct i2c_client *client = efx->board_info.hwmon_client; + struct i2c_client *client = falcon_board(efx)->hwmon_client; s32 alarms1, alarms2; /* If link is up then do not monitor temperature */ - if (EFX_WORKAROUND_7884(efx) && efx->link_up) + if (EFX_WORKAROUND_7884(efx) && efx->link_state.up) return 0; alarms1 = i2c_smbus_read_byte_data(client, LM87_REG_ALARMS1); @@ -223,8 +190,8 @@ static inline int efx_check_lm87(struct efx_nic *efx, unsigned mask) 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; + struct i2c_client *ioexp_client = falcon_board(efx)->ioexp_client; + struct i2c_client *hwmon_client = falcon_board(efx)->hwmon_client; /* Turn off all power rails and disable outputs */ i2c_smbus_write_byte_data(ioexp_client, P0_OUT, 0xff); @@ -237,8 +204,8 @@ static void sfe4001_poweroff(struct efx_nic *efx) 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; + struct i2c_client *ioexp_client = falcon_board(efx)->ioexp_client; + struct i2c_client *hwmon_client = falcon_board(efx)->hwmon_client; unsigned int i, j; int rc; u8 out; @@ -324,10 +291,11 @@ fail_on: static int sfn4111t_reset(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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); + i2c_lock_adapter(&board->i2c_adap); /* Pull RST_N (GPIO 2) low then let it up again, setting the * FLASH_CFG_1 strap (GPIO 3) appropriately. Only change the @@ -343,7 +311,7 @@ static int sfn4111t_reset(struct efx_nic *efx) efx_writeo(efx, ®, FR_AB_GPIO_CTL); msleep(1); - mutex_unlock(&efx->i2c_adap.bus_lock); + i2c_unlock_adapter(&board->i2c_adap); ssleep(1); return 0; @@ -380,7 +348,7 @@ static ssize_t set_phy_flash_cfg(struct device *dev, efx->phy_mode = new_mode; if (new_mode & PHY_MODE_SPECIAL) efx_stats_disable(efx); - if (efx->board_info.type == FALCON_BOARD_SFE4001) + if (falcon_board(efx)->type == FALCON_BOARD_SFE4001) err = sfe4001_poweron(efx); else err = sfn4111t_reset(efx); @@ -397,12 +365,14 @@ static DEVICE_ATTR(phy_flash_cfg, 0644, show_phy_flash_cfg, set_phy_flash_cfg); static void sfe4001_fini(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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); + i2c_unregister_device(board->ioexp_client); + i2c_unregister_device(board->hwmon_client); } static int sfe4001_check_hw(struct efx_nic *efx) @@ -421,7 +391,7 @@ static int sfe4001_check_hw(struct efx_nic *efx) * 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); + status = i2c_smbus_read_byte_data(falcon_board(efx)->ioexp_client, P1_IN); if (status >= 0 && (status & ((1 << P1_AFE_PWD_LBN) | (1 << P1_DSP_PWD25_LBN))) != 0) return 0; @@ -443,36 +413,37 @@ static struct i2c_board_info sfe4001_hwmon_info = { */ static int sfe4001_init(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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); + board->hwmon_client = + i2c_new_device(&board->i2c_adap, &sfe4001_hwmon_info); #else - efx->board_info.hwmon_client = - i2c_new_dummy(&efx->i2c_adap, sfe4001_hwmon_info.addr); + board->hwmon_client = + i2c_new_dummy(&board->i2c_adap, sfe4001_hwmon_info.addr); #endif - if (!efx->board_info.hwmon_client) + if (!board->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, + rc = i2c_smbus_write_byte_data(board->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) { + board->ioexp_client = i2c_new_dummy(&board->i2c_adap, PCA9539); + if (!board->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; + board->set_id_led = tenxpress_set_id_led; - efx->board_info.monitor = sfe4001_check_hw; - efx->board_info.fini = sfe4001_fini; + board->monitor = sfe4001_check_hw; + board->fini = sfe4001_fini; if (efx->phy_mode & PHY_MODE_SPECIAL) { /* PHY won't generate a 156.25 MHz clock and MAC stats fetch @@ -493,9 +464,9 @@ static int sfe4001_init(struct efx_nic *efx) fail_on: sfe4001_poweroff(efx); fail_ioexp: - i2c_unregister_device(efx->board_info.ioexp_client); + i2c_unregister_device(board->ioexp_client); fail_hwmon: - i2c_unregister_device(efx->board_info.hwmon_client); + i2c_unregister_device(board->hwmon_client); return rc; } @@ -508,7 +479,7 @@ static int sfn4111t_check_hw(struct efx_nic *efx) return 0; /* Test LHIGH, RHIGH, FAULT, EOT and IOT alarms */ - status = i2c_smbus_read_byte_data(efx->board_info.hwmon_client, + status = i2c_smbus_read_byte_data(falcon_board(efx)->hwmon_client, MAX664X_REG_RSL); if (status < 0) return -EIO; @@ -522,7 +493,7 @@ 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); + i2c_unregister_device(falcon_board(efx)->hwmon_client); } static struct i2c_board_info sfn4111t_a0_hwmon_info = { @@ -533,43 +504,51 @@ static struct i2c_board_info sfn4111t_r5_hwmon_info = { I2C_BOARD_INFO("max6646", 0x4d), }; +static void sfn4111t_init_phy(struct efx_nic *efx) +{ + if (!(efx->phy_mode & PHY_MODE_SPECIAL)) { + if (sft9001_wait_boot(efx) != -EINVAL) + return; + + efx->phy_mode = PHY_MODE_SPECIAL; + efx_stats_disable(efx); + } + + sfn4111t_reset(efx); + sft9001_wait_boot(efx); +} + static int sfn4111t_init(struct efx_nic *efx) { - int i = 0; + struct falcon_board *board = falcon_board(efx); int rc; - efx->board_info.hwmon_client = - i2c_new_device(&efx->i2c_adap, - (efx->board_info.minor < 5) ? + board->hwmon_client = + i2c_new_device(&board->i2c_adap, + (board->minor < 5) ? &sfn4111t_a0_hwmon_info : &sfn4111t_r5_hwmon_info); - if (!efx->board_info.hwmon_client) + if (!board->hwmon_client) return -EIO; - efx->board_info.blink = tenxpress_phy_blink; - efx->board_info.monitor = sfn4111t_check_hw; - efx->board_info.fini = sfn4111t_fini; + board->init_phy = sfn4111t_init_phy; + board->set_id_led = tenxpress_set_id_led; + board->monitor = sfn4111t_check_hw; + board->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); + 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); + + return 0; - device_remove_file(&efx->pci_dev->dev, &dev_attr_phy_flash_cfg); fail_hwmon: - i2c_unregister_device(efx->board_info.hwmon_client); + i2c_unregister_device(board->hwmon_client); return rc; } @@ -608,7 +587,7 @@ static struct i2c_board_info sfe4002_hwmon_info = { #define SFE4002_RX_LED (0) /* Green */ #define SFE4002_TX_LED (1) /* Amber */ -static void sfe4002_init_leds(struct efx_nic *efx) +static void sfe4002_init_phy(struct efx_nic *efx) { /* Set the TX and RX LEDs to reflect status and activity, and the * fault LED off */ @@ -619,18 +598,21 @@ static void sfe4002_init_leds(struct efx_nic *efx) falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, QUAKE_LED_OFF); } -static void sfe4002_set_id_led(struct efx_nic *efx, bool state) +static void sfe4002_set_id_led(struct efx_nic *efx, enum efx_led_mode mode) { - falcon_qt202x_set_led(efx, SFE4002_FAULT_LED, state ? QUAKE_LED_ON : - QUAKE_LED_OFF); + falcon_qt202x_set_led( + efx, SFE4002_FAULT_LED, + (mode == EFX_LED_ON) ? QUAKE_LED_ON : QUAKE_LED_OFF); } static int sfe4002_check_hw(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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) ? + (board->major == 0 && board->minor == 0) ? ~LM87_ALARM_TEMP_EXT1 : ~0; return efx_check_lm87(efx, alarm_mask); @@ -638,14 +620,14 @@ static int sfe4002_check_hw(struct efx_nic *efx) static int sfe4002_init(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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; + board->monitor = sfe4002_check_hw; + board->init_phy = sfe4002_init_phy; + board->set_id_led = sfe4002_set_id_led; + board->fini = efx_fini_lm87; return 0; } @@ -675,7 +657,7 @@ static struct i2c_board_info sfn4112f_hwmon_info = { #define SFN4112F_ACT_LED 0 #define SFN4112F_LINK_LED 1 -static void sfn4112f_init_leds(struct efx_nic *efx) +static void sfn4112f_init_phy(struct efx_nic *efx) { falcon_qt202x_set_led(efx, SFN4112F_ACT_LED, QUAKE_LED_RXLINK | QUAKE_LED_LINK_ACT); @@ -683,10 +665,23 @@ static void sfn4112f_init_leds(struct efx_nic *efx) QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT); } -static void sfn4112f_set_id_led(struct efx_nic *efx, bool state) +static void sfn4112f_set_id_led(struct efx_nic *efx, enum efx_led_mode mode) { - falcon_qt202x_set_led(efx, SFN4112F_LINK_LED, - state ? QUAKE_LED_ON : QUAKE_LED_OFF); + int reg; + + switch (mode) { + case EFX_LED_OFF: + reg = QUAKE_LED_OFF; + break; + case EFX_LED_ON: + reg = QUAKE_LED_ON; + break; + default: + reg = QUAKE_LED_RXLINK | QUAKE_LED_LINK_STAT; + break; + } + + falcon_qt202x_set_led(efx, SFN4112F_LINK_LED, reg); } static int sfn4112f_check_hw(struct efx_nic *efx) @@ -697,14 +692,15 @@ static int sfn4112f_check_hw(struct efx_nic *efx) static int sfn4112f_init(struct efx_nic *efx) { + struct falcon_board *board = falcon_board(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; + board->monitor = sfn4112f_check_hw; + board->init_phy = sfn4112f_init_phy; + board->set_id_led = sfn4112f_set_id_led; + board->fini = efx_fini_lm87; return 0; } @@ -727,26 +723,36 @@ static struct falcon_board_data board_data[] = { sfn4112f_init }, }; +static struct falcon_board falcon_dummy_board = { + .init = efx_port_dummy_op_int, + .init_phy = efx_port_dummy_op_void, + .set_id_led = efx_port_dummy_op_set_id_led, + .monitor = efx_port_dummy_op_int, + .fini = efx_port_dummy_op_void, +}; + void falcon_probe_board(struct efx_nic *efx, u16 revision_info) { + struct falcon_board *board = falcon_board(efx); 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); + *board = falcon_dummy_board; + board->type = FALCON_BOARD_TYPE(revision_info); + board->major = FALCON_BOARD_MAJOR(revision_info); + board->minor = FALCON_BOARD_MINOR(revision_info); for (i = 0; i < ARRAY_SIZE(board_data); i++) - if (board_data[i].type == efx->board_info.type) + if (board_data[i].type == board->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; + 'A' + board->major, board->minor); + board->init = data->init; } else { - EFX_ERR(efx, "unknown board type %d\n", efx->board_info.type); + EFX_ERR(efx, "unknown board type %d\n", board->type); } } |