2020-04-02 23:48:24 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2012-03-31 02:06:43 +02:00
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/*
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* Mailbox EC communication interface for SMSC MEC1308 Embedded Controller.
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*/
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#ifndef _EC_SMSC_MEC1308_EC_H
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#define _EC_SMSC_MEC1308_EC_H
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#define EC_TIMEOUT 0xfff
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#define EC_MAILBOX_COMMAND 0x82 // Send a command
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#define EC_MAILBOX_DATA 0x84 // Send data with a command
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#define EC_MAILBOX_DATA_H 0x85 // Send data with a command
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#define EC_RAM_READ 0x88 // Read from RAM
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#define EC_RAM_WRITE 0x89 // Write to RAM
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int send_ec_command(u8 command);
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int send_ec_command_data(u8 command, u8 data);
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u8 read_ec_command_byte(u8 command);
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u8 ec_read(u8 addr);
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int ec_write(u8 addr, u8 data);
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void ec_set_bit(u8 addr, u8 bit);
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void ec_clr_bit(u8 addr, u8 bit);
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void ec_set_ports(u16 cmd_reg, u16 data_reg);
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#endif /* _EC_SMSC_MEC1308_EC_H */
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