From fc5469c3455186e7c54c5645b65392ab7c209a03 Mon Sep 17 00:00:00 2001 From: Angel Pons Date: Wed, 8 Jul 2020 01:05:45 +0200 Subject: drivers/i2c/w83793: Drop dead code MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Nothing selects this driver. Drop it before it grows moss. Change-Id: I4d0e678a8725c1fdf9263b9fae4e4fb6bb5ab4de Signed-off-by: Angel Pons Reviewed-on: https://review.coreboot.org/c/coreboot/+/43268 Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) --- src/drivers/i2c/w83793/Kconfig | 2 - src/drivers/i2c/w83793/Makefile.inc | 1 - src/drivers/i2c/w83793/chip.h | 93 ----------- src/drivers/i2c/w83793/w83793.c | 307 ------------------------------------ src/drivers/i2c/w83793/w83793.h | 6 - 5 files changed, 409 deletions(-) delete mode 100644 src/drivers/i2c/w83793/Kconfig delete mode 100644 src/drivers/i2c/w83793/Makefile.inc delete mode 100644 src/drivers/i2c/w83793/chip.h delete mode 100644 src/drivers/i2c/w83793/w83793.c delete mode 100644 src/drivers/i2c/w83793/w83793.h (limited to 'src') diff --git a/src/drivers/i2c/w83793/Kconfig b/src/drivers/i2c/w83793/Kconfig deleted file mode 100644 index d7f8cd1fe1..0000000000 --- a/src/drivers/i2c/w83793/Kconfig +++ /dev/null @@ -1,2 +0,0 @@ -config DRIVERS_I2C_W83793 - bool diff --git a/src/drivers/i2c/w83793/Makefile.inc b/src/drivers/i2c/w83793/Makefile.inc deleted file mode 100644 index f7843a5c24..0000000000 --- a/src/drivers/i2c/w83793/Makefile.inc +++ /dev/null @@ -1 +0,0 @@ -ramstage-$(CONFIG_DRIVERS_I2C_W83793) += w83793.c diff --git a/src/drivers/i2c/w83793/chip.h b/src/drivers/i2c/w83793/chip.h deleted file mode 100644 index ea992e47b0..0000000000 --- a/src/drivers/i2c/w83793/chip.h +++ /dev/null @@ -1,93 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -struct drivers_i2c_w83793_config { - u8 mfc; - u8 fanin; - u8 fanin_sel; - u8 peci_agent_conf; - u8 tcase0; /* °C */ - u8 tcase1; /* °C */ - u8 tcase2; /* °C */ - u8 tcase3; /* °C */ - u8 tr_enable; - u8 td_mode_select; - u8 critical_temperature; /* °C */ - - u32 vcorea_high_limit_mv; /* mV */ - u32 vcorea_low_limit_mv; /* mV */ - u32 vcoreb_high_limit_mv; /* mV */ - u32 vcoreb_low_limit_mv; /* mV */ - u32 vtt_high_limit_mv; /* mV */ - u32 vtt_low_limit_mv; /* mV */ - u32 vsen1_high_limit_mv; /* mV */ - u32 vsen1_low_limit_mv; /* mV */ - u32 vsen2_high_limit_mv; /* mV */ - u32 vsen2_low_limit_mv; /* mV */ - u32 vsen3_high_limit_mv; /* mV */ - u32 vsen3_low_limit_mv; /* mV */ - u32 vsen4_high_limit_mv; /* mV */ - u32 vsen4_low_limit_mv; /* mV */ - u32 vdd_high_limit_mv; /* mV */ - u32 vdd_low_limit_mv; /* mV */ - u32 vsb_high_limit_mv; /* mV */ - u32 vsb_low_limit_mv; /* mV */ - u32 vbat_high_limit_mv; /* mV */ - u32 vbat_low_limit_mv; /* mV */ - - u8 td1_critical_temperature; /* °C */ - u8 td1_critical_hysteresis; /* °C */ - u8 td1_warning_temperature; /* °C */ - u8 td1_warning_hysteresis; /* °C */ - u8 td2_critical_temperature; /* °C */ - u8 td2_critical_hysteresis; /* °C */ - u8 td2_warning_temperature; /* °C */ - u8 td2_warning_hysteresis; /* °C */ - u8 td3_critical_temperature; /* °C */ - u8 td3_critical_hysteresis; /* °C */ - u8 td3_warning_temperature; /* °C */ - u8 td3_warning_hysteresis; /* °C */ - u8 td4_critical_temperature; /* °C */ - u8 td4_critical_hysteresis; /* °C */ - u8 td4_warning_temperature; /* °C */ - u8 td4_warning_hysteresis; /* °C */ - u8 tr1_critical_temperature; /* °C */ - u8 tr1_critical_hysteresis; /* °C */ - u8 tr1_warning_temperature; /* °C */ - u8 tr1_warning_hysteresis; /* °C */ - u8 tr2_critical_temperature; /* °C */ - u8 tr2_critical_hysteresis; /* °C */ - u8 tr2_warning_temperature; /* °C */ - u8 tr2_warning_hysteresis; /* °C */ - - u8 fanctrl1; - u8 fanctrl2; - u8 first_valid_fan_number; - - u8 td1_fan_select; - u8 td2_fan_select; - u8 td3_fan_select; - u8 td4_fan_select; - - u8 tr1_fan_select; - u8 tr2_fan_select; - - u8 fan1_nonstop; /* % of full speed (0-100) */ - u8 fan2_nonstop; /* % of full speed (0-100) */ - u8 fan3_nonstop; /* % of full speed (0-100) */ - u8 fan4_nonstop; /* % of full speed (0-100) */ - u8 fan5_nonstop; /* % of full speed (0-100) */ - u8 fan6_nonstop; /* % of full speed (0-100) */ - u8 fan7_nonstop; /* % of full speed (0-100) */ - u8 fan8_nonstop; /* % of full speed (0-100) */ - - u8 default_speed; /* % of full speed (0-100) */ - - u8 fan1_duty; /* % of full speed (0-100) */ - u8 fan2_duty; /* % of full speed (0-100) */ - u8 fan3_duty; /* % of full speed (0-100) */ - u8 fan4_duty; /* % of full speed (0-100) */ - u8 fan5_duty; /* % of full speed (0-100) */ - u8 fan6_duty; /* % of full speed (0-100) */ - u8 fan7_duty; /* % of full speed (0-100) */ - u8 fan8_duty; /* % of full speed (0-100) */ -}; diff --git a/src/drivers/i2c/w83793/w83793.c b/src/drivers/i2c/w83793/w83793.c deleted file mode 100644 index 1233f9ff8a..0000000000 --- a/src/drivers/i2c/w83793/w83793.c +++ /dev/null @@ -1,307 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#include -#include -#include -#include "w83793.h" -#include -#include "chip.h" - -static int w83793_fan_limit(struct device *dev, int fan, uint16_t limit) -{ - return smbus_write_byte(dev, 0x90 + fan * 2, limit >> 8) || - smbus_write_byte(dev, 0x91 + fan * 2, limit & 0xff); -} - -static int w83793_bank(struct device *dev, int bank) -{ - return smbus_write_byte(dev, 0, bank); -} - -static int w83793_td_level(struct device *dev, int fan, const char *level) -{ - fan *= 0x10; - - smbus_write_byte(dev, 0x30 + fan, level[0]); - smbus_write_byte(dev, 0x31 + fan, level[1]); - smbus_write_byte(dev, 0x32 + fan, level[2]); - smbus_write_byte(dev, 0x33 + fan, level[3]); - smbus_write_byte(dev, 0x34 + fan, level[4]); - smbus_write_byte(dev, 0x35 + fan, level[5]); - smbus_write_byte(dev, 0x36 + fan, level[6]); - return 0; -} - -static int w83793_tr_level(struct device *dev, int fan, const char *level) -{ - fan *= 0x10; - - smbus_write_byte(dev, 0x70 + fan, level[0]); - smbus_write_byte(dev, 0x71 + fan, level[1]); - smbus_write_byte(dev, 0x72 + fan, level[2]); - smbus_write_byte(dev, 0x73 + fan, level[3]); - smbus_write_byte(dev, 0x74 + fan, level[4]); - smbus_write_byte(dev, 0x75 + fan, level[5]); - smbus_write_byte(dev, 0x76 + fan, level[6]); - return 0; -} - - -static int w83793_td_fan_level(struct device *dev, int fan, const char *level) -{ - fan *= 0x10; - - smbus_write_byte(dev, 0x38 + fan, level[0]); - smbus_write_byte(dev, 0x39 + fan, level[1]); - smbus_write_byte(dev, 0x3a + fan, level[2]); - smbus_write_byte(dev, 0x3b + fan, level[3]); - smbus_write_byte(dev, 0x3c + fan, level[4]); - smbus_write_byte(dev, 0x3d + fan, level[5]); - smbus_write_byte(dev, 0x3e + fan, level[6]); - return 0; -} - -static int w83793_tr_fan_level(struct device *dev, int fan, const char *level) -{ - fan *= 0x10; - - smbus_write_byte(dev, 0x78 + fan, level[0]); - smbus_write_byte(dev, 0x79 + fan, level[1]); - smbus_write_byte(dev, 0x7a + fan, level[2]); - smbus_write_byte(dev, 0x7b + fan, level[3]); - smbus_write_byte(dev, 0x7c + fan, level[4]); - smbus_write_byte(dev, 0x7d + fan, level[5]); - smbus_write_byte(dev, 0x7e + fan, level[6]); - return 0; -} - -static uint8_t millivolts_to_limit_value_type1(int millivolts) -{ - /* Datasheet v1.4 page 64 (VCoreA, VCoreB, Vtt Limit) */ - return ((millivolts * 125) / 1000); -} - -static uint8_t millivolts_to_limit_value_type2(int millivolts) -{ - /* Datasheet v1.4 page 64 (VSEN1, VEN2, VSEN3) */ - return ((millivolts * 625) / 10000); -} - -static uint8_t millivolts_to_limit_value_type3(int millivolts) -{ - /* Datasheet v1.4 page 64 (5VDD, 5VSB) */ - return ((((millivolts * 10) + 1500) * 417) / 10000); -} - -static uint8_t fan_pct_to_cfg_val(uint8_t percent) -{ - uint8_t cfg = (((unsigned int)percent * 10000) / 15873); - if (cfg > 0x3f) - cfg = 0x3f; - return cfg; -} - -static void w83793_init(struct device *dev) -{ - struct drivers_i2c_w83793_config *config = dev->chip_info; - uint16_t id; - int i; - - if (w83793_bank(dev, 0)) - printk(BIOS_ERR, "%s: failed\n", __func__); - - if (!config) - return; - - id = smbus_read_byte(dev, 0x0d); - w83793_bank(dev, 0x80); - id |= smbus_read_byte(dev, 0x0d) << 8; - printk(BIOS_ERR, "ID: %04x\n", id); - - /* reset configuration */ - smbus_write_byte(dev, 0x40, 0x80); - smbus_write_byte(dev, 0x51, 0x06); - - /* Multi function control */ - smbus_write_byte(dev, 0x58, config->mfc); - - /* FANIN_Ctrl */ - smbus_write_byte(dev, 0x5c, config->fanin); - - /* FANIN_Sel */ - smbus_write_byte(dev, 0x5d, config->fanin_sel); - - /* Temperature source */ - smbus_write_byte(dev, 0x5e, config->td_mode_select); - /* TR monitor enable */ - smbus_write_byte(dev, 0x5f, config->tr_enable); - /* PECI Agent configuration */ - smbus_write_byte(dev, 0xd0, config->peci_agent_conf); - /* TCase */ - smbus_write_byte(dev, 0xd1, config->tcase0); - smbus_write_byte(dev, 0xd2, config->tcase1); - smbus_write_byte(dev, 0xd3, config->tcase2); - smbus_write_byte(dev, 0xd4, config->tcase3); - /* PECI Reportstyle */ - smbus_write_byte(dev, 0xd5, 0x00); - - /* Voltage high/low limits */ - smbus_write_byte(dev, 0x60, millivolts_to_limit_value_type1(config->vcorea_high_limit_mv)); - smbus_write_byte(dev, 0x61, millivolts_to_limit_value_type1(config->vcorea_low_limit_mv)); - smbus_write_byte(dev, 0x62, millivolts_to_limit_value_type1(config->vcoreb_high_limit_mv)); - smbus_write_byte(dev, 0x63, millivolts_to_limit_value_type1(config->vcoreb_low_limit_mv)); - smbus_write_byte(dev, 0x64, millivolts_to_limit_value_type1(config->vtt_high_limit_mv)); - smbus_write_byte(dev, 0x65, millivolts_to_limit_value_type1(config->vtt_low_limit_mv)); - smbus_write_byte(dev, 0x6a, millivolts_to_limit_value_type2(config->vsen1_high_limit_mv)); - smbus_write_byte(dev, 0x6b, millivolts_to_limit_value_type2(config->vsen1_low_limit_mv)); - smbus_write_byte(dev, 0x6c, millivolts_to_limit_value_type2(config->vsen2_high_limit_mv)); - smbus_write_byte(dev, 0x6d, millivolts_to_limit_value_type2(config->vsen2_low_limit_mv)); - smbus_write_byte(dev, 0x6e, millivolts_to_limit_value_type2(config->vsen3_high_limit_mv)); - smbus_write_byte(dev, 0x6f, millivolts_to_limit_value_type2(config->vsen3_low_limit_mv)); - smbus_write_byte(dev, 0x70, millivolts_to_limit_value_type1(config->vsen4_high_limit_mv)); - smbus_write_byte(dev, 0x71, millivolts_to_limit_value_type1(config->vsen4_low_limit_mv)); - smbus_write_byte(dev, 0x72, millivolts_to_limit_value_type3(config->vdd_high_limit_mv)); - smbus_write_byte(dev, 0x73, millivolts_to_limit_value_type3(config->vdd_low_limit_mv)); - smbus_write_byte(dev, 0x74, millivolts_to_limit_value_type3(config->vsb_high_limit_mv)); - smbus_write_byte(dev, 0x75, millivolts_to_limit_value_type3(config->vsb_low_limit_mv)); - smbus_write_byte(dev, 0x76, millivolts_to_limit_value_type2(config->vbat_high_limit_mv)); - smbus_write_byte(dev, 0x77, millivolts_to_limit_value_type2(config->vbat_low_limit_mv)); - - /* Temperature high/low limits */ - smbus_write_byte(dev, 0x78, config->td1_critical_temperature); - smbus_write_byte(dev, 0x79, config->td1_critical_hysteresis); - smbus_write_byte(dev, 0x7a, config->td1_warning_temperature); - smbus_write_byte(dev, 0x7b, config->td1_warning_hysteresis); - smbus_write_byte(dev, 0x7c, config->td2_critical_temperature); - smbus_write_byte(dev, 0x7d, config->td2_critical_hysteresis); - smbus_write_byte(dev, 0x7e, config->td2_warning_temperature); - smbus_write_byte(dev, 0x7f, config->td2_warning_hysteresis); - smbus_write_byte(dev, 0x80, config->td3_critical_temperature); - smbus_write_byte(dev, 0x81, config->td3_critical_hysteresis); - smbus_write_byte(dev, 0x82, config->td3_warning_temperature); - smbus_write_byte(dev, 0x83, config->td3_warning_hysteresis); - smbus_write_byte(dev, 0x84, config->td4_critical_temperature); - smbus_write_byte(dev, 0x85, config->td4_critical_hysteresis); - smbus_write_byte(dev, 0x86, config->td4_warning_temperature); - smbus_write_byte(dev, 0x87, config->td4_warning_hysteresis); - smbus_write_byte(dev, 0x88, config->tr1_critical_temperature); - smbus_write_byte(dev, 0x89, config->tr1_critical_hysteresis); - smbus_write_byte(dev, 0x8a, config->tr1_warning_temperature); - smbus_write_byte(dev, 0x8b, config->tr1_warning_hysteresis); - smbus_write_byte(dev, 0x8c, config->tr2_critical_temperature); - smbus_write_byte(dev, 0x8d, config->tr2_critical_hysteresis); - smbus_write_byte(dev, 0x8e, config->tr2_warning_temperature); - smbus_write_byte(dev, 0x8f, config->tr2_warning_hysteresis); - - /* Set minimum FAN speeds before alarms will be set */ - for (i = 0; i < config->first_valid_fan_number; i++) - w83793_fan_limit(dev, i, 0x0); - for (i = config->first_valid_fan_number; i < 12; i++) - w83793_fan_limit(dev, i, 0x768); - - /* Fan output style control */ - smbus_write_byte(dev, 0xb0, config->fanctrl1); - smbus_write_byte(dev, 0xb1, config->fanctrl2); - - /* FAN Uptime */ - smbus_write_byte(dev, 0xc3, 0x02); - - /* FAN downtime */ - smbus_write_byte(dev, 0xc4, 0x03); - - /* ALL FAN critical temperature */ - smbus_write_byte(dev, 0xc5, config->critical_temperature); - - /* Temperature offset */ - smbus_write_byte(dev, 0xa8, 0xf9); - smbus_write_byte(dev, 0xa9, 0xf9); - smbus_write_byte(dev, 0xaa, 0xf9); - smbus_write_byte(dev, 0xab, 0xf9); - - /* Default FAN speed */ - smbus_write_byte(dev, 0xb2, fan_pct_to_cfg_val(config->default_speed)); - - /* Manual FAN speeds */ - smbus_write_byte(dev, 0xb3, fan_pct_to_cfg_val(config->fan1_duty)); - smbus_write_byte(dev, 0xb4, fan_pct_to_cfg_val(config->fan2_duty)); - smbus_write_byte(dev, 0xb5, fan_pct_to_cfg_val(config->fan3_duty)); - smbus_write_byte(dev, 0xb6, fan_pct_to_cfg_val(config->fan4_duty)); - smbus_write_byte(dev, 0xb7, fan_pct_to_cfg_val(config->fan5_duty)); - smbus_write_byte(dev, 0xb8, fan_pct_to_cfg_val(config->fan6_duty)); - smbus_write_byte(dev, 0xb9, fan_pct_to_cfg_val(config->fan7_duty)); - smbus_write_byte(dev, 0xba, fan_pct_to_cfg_val(config->fan8_duty)); - - /* BANK 2 */ - smbus_write_byte(dev, 0x00, 0x02); - - /* TD FAN select */ - smbus_write_byte(dev, 0x01, config->td1_fan_select); - smbus_write_byte(dev, 0x02, config->td2_fan_select); - smbus_write_byte(dev, 0x03, config->td3_fan_select); - smbus_write_byte(dev, 0x04, config->td4_fan_select); - - smbus_write_byte(dev, 0x05, config->tr1_fan_select); - smbus_write_byte(dev, 0x06, config->tr2_fan_select); - - /* FAN control mode */ - smbus_write_byte(dev, 0x07, 0x00); - - /* hysteresis tolerance */ - smbus_write_byte(dev, 0x08, 0xaa); - smbus_write_byte(dev, 0x09, 0xaa); - - /* FanNonStop */ - smbus_write_byte(dev, 0x18, fan_pct_to_cfg_val(config->fan1_nonstop)); - smbus_write_byte(dev, 0x19, fan_pct_to_cfg_val(config->fan2_nonstop)); - smbus_write_byte(dev, 0x1a, fan_pct_to_cfg_val(config->fan3_nonstop)); - smbus_write_byte(dev, 0x1b, fan_pct_to_cfg_val(config->fan4_nonstop)); - smbus_write_byte(dev, 0x1c, fan_pct_to_cfg_val(config->fan5_nonstop)); - smbus_write_byte(dev, 0x1d, fan_pct_to_cfg_val(config->fan6_nonstop)); - smbus_write_byte(dev, 0x1e, fan_pct_to_cfg_val(config->fan7_nonstop)); - smbus_write_byte(dev, 0x1f, fan_pct_to_cfg_val(config->fan8_nonstop)); - - /* FanStart */ - smbus_write_byte(dev, 0x20, 0x08); - smbus_write_byte(dev, 0x21, 0x08); - smbus_write_byte(dev, 0x22, 0x08); - smbus_write_byte(dev, 0x23, 0x08); - smbus_write_byte(dev, 0x24, 0x08); - smbus_write_byte(dev, 0x25, 0x08); - smbus_write_byte(dev, 0x26, 0x08); - smbus_write_byte(dev, 0x27, 0x08); - - for (i = 0; i < 4; i++) - w83793_td_level(dev, i, (const char[]){ 0x32, 0x32, 0x32, 0x32, 0x37, 0x41, 0x4b }); - - for (i = 0; i < 2; i++) - w83793_tr_level(dev, i, (const char[]){ 0x1e, 0x23, 0x28, 0x2d, 0x32, 0x37, 0x3c }); - - for (i = 0; i < 4; i++) - w83793_td_fan_level(dev, i, (const char[]){ 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x1d, 0x26 }); - - for (i = 0; i < 2; i++) - w83793_tr_fan_level(dev, i, (const char[]){ 0x08, 0x0c, 0x10, 0x18, 0x20, 0x30, 0x38 }); - - - smbus_write_byte(dev, 0x00, 0x00); - - /* start monitoring operation */ - smbus_write_byte(dev, 0x40, 0x09); - -} - -static struct device_operations w83793_operations = { - .read_resources = noop_read_resources, - .set_resources = noop_set_resources, - .init = w83793_init, -}; - -static void enable_dev(struct device *dev) -{ - dev->ops = &w83793_operations; -} - -struct chip_operations drivers_i2c_w83793_ops = { - CHIP_NAME("Nuvoton W83793 Hardware Monitor") - .enable_dev = enable_dev, -}; diff --git a/src/drivers/i2c/w83793/w83793.h b/src/drivers/i2c/w83793/w83793.h deleted file mode 100644 index 4ee33b025f..0000000000 --- a/src/drivers/i2c/w83793/w83793.h +++ /dev/null @@ -1,6 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef W83793_H -#define W83793_H - -#endif -- cgit v1.2.3