Signed-off-by: Wei-Chun Pan <[email protected]> --- include/linux/mfd/imanager2_ec.h | 358 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 358 insertions(+) create mode 100644 include/linux/mfd/imanager2_ec.h
diff --git a/include/linux/mfd/imanager2_ec.h b/include/linux/mfd/imanager2_ec.h new file mode 100644 index 0000000..bf7d70e --- /dev/null +++ b/include/linux/mfd/imanager2_ec.h @@ -0,0 +1,358 @@ +/* + * imanager2_ec.h - MFD driver defines of Advantech EC IT8516/18/28 + * Copyright (C) 2014 Richard Vidal-Dorsch <[email protected]> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __IMANAGER2_EC_H__ +#define __IMANAGER2_EC_H__ + +#include <linux/mutex.h> + +#define EC_FLAG_IO 0 +#define EC_FLAG_IO_MAILBOX (1 << 0) +#define EC_FLAG_MAILBOX (1 << 1) + +#define EC_MAX_DEVICE_ID_NUM 0xFF +#define EC_MAX_ITEM_NUM 32 + +struct ec_table { + u8 devid2itemnum[EC_MAX_DEVICE_ID_NUM]; + u8 pinnum[EC_MAX_ITEM_NUM]; + u8 devid[EC_MAX_ITEM_NUM]; +}; + +struct ec_version { + u16 kernel_ver, + chip_code, + prj_id, + prj_ver; +}; + +#define EC_MAX_LEN_PROJECT_NAME 8 + +struct imanager2 { + u16 id; + u32 flag; + struct mutex lock; /* protects io */ + char prj_name[EC_MAX_LEN_PROJECT_NAME + 1]; /* strlen + '\0' */ + struct ec_version version; + struct ec_table table; +}; + +/* + * Definition + */ +#define EC_TABLE_ITEM_UNUSED 0xFF +#define EC_TABLE_DID_NODEV 0x00 +#define EC_TABLE_HWP_NODEV 0xFF +#define EC_TABLE_NOITEM 0xFF + +#define EC_ERROR 0xFF + +#define EC_RAM_BANK_SIZE 32 /* 32 bytes size for each bank. */ +#define EC_RAM_BUFFER_SIZE 256 /* 32 bytes * 8 banks = 256 bytes */ + +#define EC_SIO_CMD 0x29C +#define EC_SIO_DATA 0x29D + +/* Access Mailbox */ +#define EC_IO_PORT_CMD 0x29A +#define EC_IO_PORT_DATA 0x299 + +#define EC_IO_CMD_READ_OFFSET 0xA0 +#define EC_IO_CMD_WRITE_OFFSET 0x50 + +#define EC_ITE_PORT_OFS 0x29E +#define EC_ITE_PORT_DATA 0x29F + +/* + * CMD - IO + */ +/* ADC */ +#define EC_CMD_ADC_INDEX 0x15 +#define EC_CMD_ADC_READ_LSB 0x16 +#define EC_CMD_ADC_READ_MSB 0x1F +/* HW Control Table */ +#define EC_CMD_HWCTRLTABLE_INDEX 0x20 +#define EC_CMD_HWCTRLTABLE_GET_PIN_NUM 0x21 +#define EC_CMD_HWCTRLTABLE_GET_DEVICE_ID 0x22 +#define EC_CMD_HWCTRLTABLE_GET_PIN_ACTIVE_POLARITY 0x23 +/* ACPI RAM */ +#define EC_CMD_ACPIRAM_READ 0x80 +#define EC_CMD_ACPIRAM_WRITE 0x81 +/* Extend RAM */ +#define EC_CMD_EXTRAM_READ 0x86 +#define EC_CMD_EXTRAM_WRITE 0x87 +/* HW RAM */ +#define EC_CMD_HWRAM_READ 0x88 +#define EC_CMD_HWRAM_WRITE 0x89 + +/* + * ACPI RAM Address Table + */ +/* n = 1 ~ 2 */ +#define EC_ACPIRAM_ADDR_TEMPERATURE_BASE(n) (0x60 + 3 * ((n) - 1)) +#define EC_ACPIRAM_ADDR_LOCAL_TEMPERATURE(n) \ + EC_ACPIRAM_ADDR_TEMPERATURE_BASE(n) +#define EC_ACPIRAM_ADDR_REMOTE_TEMPERATURE(n) \ + (EC_ACPIRAM_ADDR_TEMPERATURE_BASE(n) + 1) +#define EC_ACPIRAM_ADDR_WARNING_TEMPERATURE(n)\ + (EC_ACPIRAM_ADDR_TEMPERATURE_BASE(n) + 2) + +/* N = 0 ~ 2 */ +#define EC_ACPIRAM_ADDR_FAN_SPEED_BASE(N) (0x70 + 2 * (N)) + +#define EC_ACPIRAM_ADDR_KERNEL_MAJOR_VERSION 0xF8 +#define EC_ACPIRAM_ADDR_CHIP_VENDOR_CODE 0xFA +#define EC_ACPIRAM_ADDR_PROJECT_NAME_CODE 0xFC +#define EC_ACPIRAM_ADDR_FIRMWARE_MAJOR_VERSION 0xFE + +/* + * HW RAM Address Table + */ +/* Thermal Source Control RAM 0xB0-0xC7 (N: 0 ~ 3) */ +#define EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) (0xB0 + 6 * (N)) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_CHANNEL(N) \ + EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_ADDR(N) \ + (EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) + 1) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_CMD(N) \ + (EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) + 2) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_STATUS(N) \ + (EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) + 3) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_FAN_CODE(N) \ + (EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) + 4) +#define EC_HWRAM_ADDR_THERMAL_SOURCE_SMB_TEMPERATURE(N) \ + (EC_HWRAM_ADDR_THERMAL_SOURCE_BASE_ADDR(N) + 5) +/* Fan Control 0xD0-0xEF (N: 0 ~ 3) */ +#define EC_HWRAM_ADDR_FAN_BASE_ADDR(N) (0xD0 + 0x10 * (N)) +#define EC_HWRAM_ADDR_FAN_CODE(N) EC_HWRAM_ADDR_FAN_BASE_ADDR(N) +#define EC_HWRAM_ADDR_FAN_STATUS(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 1) +#define EC_HWRAM_ADDR_FAN_CONTROL(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 2) +#define EC_HWRAM_ADDR_FAN_TEMP_HI(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 3) +#define EC_HWRAM_ADDR_FAN_TEMP_LO(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 4) +#define EC_HWRAM_ADDR_FAN_TEMP_LOSTOP(N) \ + (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 5) +#define EC_HWRAM_ADDR_FAN_PWM_HI(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 6) +#define EC_HWRAM_ADDR_FAN_PWM_LO(N) (EC_HWRAM_ADDR_FAN_BASE_ADDR(N) + 7) + +/* + * OFS - Mailbox + */ +/* Mailbox Structure */ +#define EC_MAILBOX_OFFSET_CMD 0x00 +#define EC_MAILBOX_OFFSET_STATUS 0x01 +#define EC_MAILBOX_OFFSET_PARA 0x02 +#define EC_MAILBOX_OFFSET_DAT(N) (0x03 + (N)) /* N = 0x00 ~ 0x2C */ + +/* + * CMD - Mailbox + */ +/* GPIO */ +#define EC_CMD_MAILBOX_READ_HW_PIN 0x11 +#define EC_CMD_MAILBOX_WRITE_HW_PIN 0x12 +/* Storage */ +#define EC_CMD_MAILBOX_READ_EC_RAM 0x1E +#define EC_CMD_MAILBOX_WRITE_EC_RAM 0x1F +/* OTHERS */ +#define EC_CMD_MAILBOX_READ_DYNAMIC_TABLE 0x20 +/* Thermal Protect */ +#define EC_CMD_MAILBOX_READ_THERMAL_SOURCE 0x42 +#define EC_CMD_MAILBOX_WRITE_THERMAL_SOURCE 0x43 +/* Storage */ +#define EC_CMD_MALLBOX_CLEAR_256_BYTES_BUFFER 0xC0 +#define EC_CMD_MALLBOX_READ_256_BYTES_BUFFER 0xC1 +#define EC_CMD_MALLBOX_WRITE_256_BYTES_BUFFER 0xC2 +#define EC_CMD_MALLBOX_READ_EEPROM_DATA_FROM_256_BYTES_BUFFER 0xC3 +#define EC_CMD_MALLBOX_WRITE_256_BYTES_BUFFER_INTO_EEPROM_DATA 0xC4 +/* General Mailbox Command */ +#define EC_CMD_MAILBOX_GET_FIRMWARE_VERSION_AND_PROJECT_NAME 0xF0 +#define EC_CMD_MAILBOX_CLEAR_ALL 0xFF + +/* + * Status - Mailbox + */ +#define EC_MAILBOX_STATUS_FAIL 0x00 +#define EC_MAILBOX_STATUS_SUCCESS 0x01 + +/* + * PARA - Mailbox + */ +/* RAM Type */ +#define EC_RAM_BANK_ACPI 0x01 +#define EC_RAM_BANK_HW 0x02 +#define EC_RAM_BANK_EXT 0x03 +#define EC_RAM_BANK_BUFFER 0x06 +/* Dynamic Type */ +#define EC_DYNAMIC_DEVICE_ID 0x00 +#define EC_DYNAMIC_HW_PIN 0x01 +#define EC_DYNAMIC_POLARITY 0x02 + +/* + * Functions - Mailbox + */ +/* command = 0x20 */ +int imanager2_mbox_get_dynamic_table(u32 ecflag, u8 type, u8 *table); +/* command = 0x42 */ +int imanager2_mbox_read_thermalzone(u32 ecflag, u8 zone, u8 *smbid, u8 *fanid, + u8 *buf, int *len); +/* command = 0xC0 */ +int imanager2_mbox_clear_ram(u32 ecflag); +/* command = 0xC1 */ +int imanager2_mbox_read_ram_across_banks(u32 ecflag, u8 *data, int len); +/* command = 0x1E */ +int imanager2_mbox_read_ram(u32 ecflag, u8 bank, u8 offset, u8 *buf, u8 len); +/* command = 0x1F */ +int imanager2_mbox_write_ram(u32 ecflag, u8 bank, u8 offset, u8 *buf, u8 len); +/* command = 0xF0 */ +int imanager2_mbox_get_project_information(u32 ecflag, u8 *prj_name, + u16 *kernel_ver, u16 *chip_code, + u16 *prj_id, u16 *prj_ver); + +/* + * Functions - basic + */ +#define IO_FLAG_OBF (1 << 0) /* output buffer full */ +#define IO_FLAG_IBF (1 << 1) /* input buffer full */ +int ec_inb_after_obf1(u8 *data); +int ec_outb_after_ibc0(u16 port, u8 data); +/* ITE mailbox access */ +int imanager2_mbox_read_data(u32 ecflag, u8 cmd, u8 para, u8 *data, int len); +int imanager2_mbox_write_data(u32 ecflag, u8 cmd, u8 para, u8 *data, int len); +/* only IO access */ +int imanager2_mbox_io_read(u8 command, u8 offset, u8 *buf, u8 len); +int imanager2_mbox_io_write(u8 command, u8 offset, u8 *buf, u8 len); +int imanager2_mbox_io_simple_read(u8 command, u8 *value); +/* ITE Mailbox & IO access */ +int imanager2_mbox_read_ram_support_io(u32 ecflag, u8 bank, u8 addr, u8 *buf, + u8 len); + +/* + * Device ID + */ +enum ec_device_id { + /* GPIO */ + altgpio0 = 0x10, /* 0x10 */ + altgpio1, + altgpio2, + altgpio3, + altgpio4, + altgpio5, + altgpio6, + altgpio7, + /* GPIO - Button */ + btn0, + btn1, + btn2, + btn3, + btn4, + btn5, + btn6, + btn7, + /* PWM - Fan */ + cpufan_2p, /* 0x20 */ + cpufan_4p, + sysfan1_2p, + sysfan1_4p, + sysfan2_2p, + sysfan2_4p, + /* PWM - Brightness Control */ + pwmbrightness, + /* PWM - System Speaker */ + pwmbeep, + /* SMBus */ + smboem0, + smboem1, + smboem2, + smbeeprom, + smbthermal0, + smbthermal1, + smbsecurityeep, + i2coem, + /* DAC - Speaker */ + dacspeaker, /* 0x30 */ + /* SMBus */ + smbeep2k = 0x38, + oemeep, + oemeep2k, + peci, + smboem3, + smblink, + smbslv, + /* GPIO - LED */ + powerled = 0x40, /* 0x40 */ + batledg, + oemled0, + oemled1, + oemled2, + batledr, + /* SMBus - Smart Battery */ + smartbat1 = 0x48, + smartbat2, + /* ADC */ + adcmosbat = 0x50, /* 0x50 */ + adcmosbatx2, + adcmosbatx10, + adcbat, + adcbatx2, + adcbatx10, + adc5vs0, + adc5vs0x2, + adc5vs0x10, + adv5vs5, + adv5vs5x2, + adv5vs5x10, + adc33vs0, + adc33vs0x2, + adc33vs0x10, + adc33vs5, + adc33vs5x2, /* 0x60 */ + adc33vs5x10, + adv12vs0, + adv12vs0x2, + adv12vs0x10, + adcvcorea, + adcvcoreax2, + adcvcoreax10, + adcvcoreb, + adcvcorebx2, + adcvcorebx10, + adcdc, + adcdcx2, + adcdcx10, + adcdcstby, + adcdcstbyx2, + adcdcstbyx10, /* 0x70 */ + adcdcother, + adcdcotherx2, + adcdcotherx10, + adccurrent, + /* IRQ - Watchdog */ + wdirq = 0x78, + /* GPIO - Watchdog */ + wdnmi, + /* Tacho - Fan */ + tacho0 = 0x80, /* 0x80 */ + tacho1, + tacho2, + /* PWM - Brightness Control */ + pwmbrightness2 = 0x88, + /* GPIO - Backlight Control */ + brionoff1, + brionoff2, +}; + +#endif /* __IMANAGER2_EC_H__ */ -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
