1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 3 /* 4 * EC communication interface for QUANTA EnE KB3940Q Embedded Controller. 5 */ 6 7 #ifndef _EC_QUANTA_ENE_KB3940Q_EC_H 8 #define _EC_QUANTA_ENE_KB3940Q_EC_H 9 10 #define EC_IO 0x380 /* Mainboard specific. Could be Kconfig option */ 11 #define EC_IO_HIGH EC_IO + 1 12 #define EC_IO_LOW EC_IO + 2 13 #define EC_IO_DATA EC_IO + 3 14 15 // 60h/64h Command Interface 16 #define KBD_DATA 0x60 17 #define KBD_COMMAND 0x64 18 #define KBD_STATUS 0x64 19 #define KBD_IBF (1 << 1) // 1: input buffer full (data ready for ec) 20 #define KBD_OBF (1 << 0) // 1: output buffer full (data ready for host) 21 22 // 62h/66h Command Interface 23 #define EC_DATA 0x62 24 #define EC_COMMAND 0x66 25 #define EC_SC 0x66 26 27 /* Wait 400ms for keyboard controller answers */ 28 #define KBC_TIMEOUT_IN_MS 400 29 30 u8 ec_kbc_read_ob(void); 31 void ec_kbc_write_cmd(u8 cmd); 32 void ec_kbc_write_ib(u8 data); 33 u8 ec_read_ob(void); 34 void ec_write_cmd(u8 cmd); 35 void ec_write_ib(u8 data); 36 37 u8 ec_mem_read(u8 addr); 38 void ec_mem_write(u8 addr, u8 data); 39 40 /***************************************************************************** 41 * EC Internal memory 42 */ 43 44 #define EC_BAT_DCAP_LO 0x40 45 #define EC_BAT_DCAP_HI 0x41 46 #define EC_BAT_DVOLT_LO 0x42 47 #define EC_BAT_DVOLT_HI 0x43 48 #define EC_BAT_FULL_CAP_LO 0x44 49 #define EC_BAT_FULL_CAP_HI 0x45 50 #define EC_BAT_RATE_LO 0x46 51 #define EC_BAT_RATE_HI 0x47 52 #define EC_BAT_RMC_LO 0x48 53 #define EC_BAT_RMC_HI 0x49 54 #define EC_BAT_VOLT_LO 0x4A 55 #define EC_BAT_VOLT_HI 0x4B 56 #define EC_BAT_CHRG_CURT_LO 0x4C 57 #define EC_BAT_CHRG_CURT_HI 0x4D 58 #define EC_BAT_CHRG_VOLT_LO 0x4E 59 #define EC_BAT_CHRG_VOLT_HI 0x4F 60 #define EC_BAT_TEMP_LO 0x50 61 #define EC_BAT_TEMP_HI 0x51 62 #define EC_BAT_SN_LO 0x52 63 #define EC_BAT_SN_HI 0x53 64 #define EC_BAT_RSOC_LO 0x54 65 #define EC_BAT_RSOC_HI 0x55 66 #define EC_BAT_STATUS_LO 0x56 67 #define EC_BAT_STATUS_HI 0x57 68 #define EC_BAT_CYCLE_COUNT_LO 0x58 69 #define EC_BAT_CYCLE_COUNT_HI 0x59 70 #define EC_BAT_MFG_DATE_LO 0x5A 71 #define EC_BAT_MFG_DATE_HI 0x5B 72 #define EC_BAT_CHEMISTRY0 0x60 73 #define EC_BAT_CHEMISTRY1 0x61 74 #define EC_BAT_CHEMISTRY2 0x62 75 #define EC_BAT_CHEMISTRY3 0x63 76 #define EC_BAT_DEVICE_NAME0 0x64 77 #define EC_BAT_DEVICE_NAME1 0x65 78 #define EC_BAT_DEVICE_NAME2 0x66 79 #define EC_BAT_DEVICE_NAME3 0x67 80 #define EC_BAT_DEVICE_NAME4 0x68 81 #define EC_BAT_DEVICE_NAME5 0x69 82 #define EC_BAT_DEVICE_NAME6 0x6A 83 84 #define EC_POWER_FLAG 0x70 85 #define EC_PF_ADAPTER_IN (1 << 0) 86 #define EC_PF_ADAPTER_PIN (1 << 1) 87 #define EC_PF_BATT_IN (1 << 2) 88 #define EC_PF_BATT_DESTROY (1 << 3) 89 #define EC_PF_ACPI_MODE (1 << 4) 90 #define EC_PF_X86_BIOS (1 << 6) 91 #define EC_PF_COREBOOT 0 92 #define EC_PF_PASSIVE_THERM (1 << 7) 93 94 #define EC_CHARGER_STATUS 0x71 95 #define EC_CHS_BAT_DISCHARGING (1 << 0) 96 #define EC_CHS_BAT_CHARGING (1 << 1) 97 #define EC_CHS_BAT_CRITICAL (1 << 2) 98 99 #define EC_HW_GPI_STATUS 0x72 100 #define EC_GPI_LID_STAT_BIT 0 101 #define EC_GPI_RECOVERY_MODE_BIT 1 102 #define EC_GPI_LID_OPEN (1 << EC_GPI_LID_STAT_BIT) 103 #define EC_GPI_RECOVERY_STATUS (1 << EC_GPI_RECOVERY_MODE_BIT) 104 105 #define EC_GPIO_STATUS 0x73 106 #define EC_GPIO_TP_LED_ENABLE (1 << 0) 107 #define EC_GPIO_TP_LED_STATUS (1 << 1) 108 109 #define EC_CPU_TMP 0x78 110 #define EC_GPU_TMP 0x79 111 #define EC_LOCAL_TMP1 0x7A 112 #define EC_LOCAL_TMP2 0x7B 113 #define EC_FAN_TACH_LO 0x7C 114 #define EC_FAN_TACH_HI 0x7D 115 #define EC_FAN_DBG_RPM_LO 0x7E 116 #define EC_FAN_DBG_RPM_HI 0x7F 117 118 #define EC_KBID_REG 0x80 119 #define EC_KBD_EN 0 120 #define EC_KBD_JP (1 << 1) 121 #define EC_CURR_PS 0x81 122 #define EC_MAX_PS 0x82 123 124 #define EC_EC_PSW 0x83 125 #define EC_PSW_IKB (1 << 0) 126 #define EC_PSW_TP (1 << 1) 127 #define EC_PSW_LAN (1 << 3) 128 #define EC_PSW_RTC (1 << 4) 129 #define EC_PSW_USB (1 << 5) 130 131 #define EC_WAKE_EVEN_TID 0x84 132 #define EC_WID_IKB (1 << 0) 133 #define EC_WID_TP (1 << 1) 134 #define EC_WID_LID (1 << 2) 135 #define EC_WID_PWRSW (1 << 7) 136 137 #define EC_CODE_STATE 0x85 138 #define EC_COS_INITIAL_STAGE 0xBB 139 #define EC_COS_EC_RO 0xC0 140 #define EC_COS_EC_RW 0xC1 141 142 #define EC_FW_REASON_ID 0x86 143 #define EC_FWR_NOT_RO 0x00 144 #define EC_FWR_GPI_ASSERTED 0x01 145 #define EC_FWR_HOTKEY_PRESSED 0x02 146 #define EC_FWR_FIRMWARE_CORRUPT 0x03 147 148 #define EC_SHUTDOWN_REASON 0xB9 149 #define EC_FW_VER0 0xBA 150 #define EC_FW_VER1 0xBB 151 #define EC_FW_VER2 0xBC 152 #define EC_FW_VER3 0xBD 153 #define EC_FW_VER4 0xBE 154 #define EC_FW_VER5 0xBF 155 #define EC_SMBPTCL 0xC0 156 #define EC_SMBSTA 0xC1 157 #define EC_SMBADDR 0xC2 158 #define EC_SMBCMD 0xC3 159 #define EC_SMBDATA 0xC4 160 #define EC_SMBBCNT 0xE4 161 162 /***************************************************************************** 163 * SMI / SCI event status 164 */ 165 #define Q_EVENT_LID_STATUS 0x06 166 #define Q_EVENT_WIFI_BUTTON 0x06 167 #define Q_EVENT_THERM_EVENT 0x08 168 #define Q_EVENT_PSTATE_DOWN 0x0E 169 #define Q_EVENT_PSTATE_UP 0x0F 170 #define Q_EVENT_AC_PLUGGED 0x10 171 #define Q_EVENT_AC_UNPLUGGED 0x11 172 #define Q_EVENT_BATTERY_PLUGGED 0x12 173 #define Q_EVENT_BATTERY_UNPLUGGED 0x13 174 #define Q_EVENT_BATTERY_STATUS 0x14 175 176 /***************************************************************************** 177 * EC Commands 178 */ 179 #define EC_CMD_ENABLE_ACPI_MODE 0x71 180 #define EC_CMD_DISABLE_ACPI_MODE 0x72 181 #define EC_CMD_DISABLE_SMBUS_EVENT 0x73 182 #define EC_CMD_ENABLE_SMBUS_EVENT 0x74 183 #define EC_CMD_SYSTEM_RESET 0x78 184 #define EC_CMD_SYSTEM_SHUTDOWN 0x79 185 #define EC_CMD_RESET_FOR_FW_UPDATE 0x7D 186 #define EC_CMD_IDLE_FOR SPI_UPDATE 0x7E 187 #define EC_CMD_READ_RAM 0x80 188 #define EC_CMD_WRITE_RAM 0x81 189 #define EC_CMD_BURST_ENABLE 0x82 190 #define EC_CMD_BURST_DISABLE 0x83 191 #define EC_CMD_QUERY_EVENT 0x84 192 193 #endif /* _EC_QUANTA_ENE_KB3940Q_EC_H */ 194