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e6588c803f
The port 62/66 ACPI commands were implemented in chip/lm4/lpc.c. They should be handled in common instead of being tied to a particular EC. BUG=chrome-os-partner:23774 BRANCH=none TEST=manual read EC_ACPI_MEM_VERSION # iotools io_write8 0x66 0x80; iotools io_write8 0x62 0; iotools io_read8 0x62 0x01 write & read EC_ACPI_MEM_TEST # iotools io_write8 0x66 0x81; iotools io_write8 0x62 1; iotools io_write8 0x62 0xa5 # iotools io_write8 0x66 0x80; iotools io_write8 0x62 1; iotools io_read8 0x62 0xa5 # iotools io_write8 0x66 0x80; iotools io_write8 0x62 2; iotools io_read8 0x62 0x5a # iotools io_write8 0x66 0x81; iotools io_write8 0x62 1; iotools io_write8 0x62 0xbb # iotools io_write8 0x66 0x80; iotools io_write8 0x62 1; iotools io_read8 0x62 0xbb # iotools io_write8 0x66 0x80; iotools io_write8 0x62 2; iotools io_read8 0x62 0x44 read & write EC_ACPI_MEM_KEYBOARD_BACKLIGHT # iotools io_write8 0x66 0x81; iotools io_write8 0x62 3; iotools io_write8 0x62 100 (keyboard lights up) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 3; iotools io_read8 0x62 0x64 # iotools io_write8 0x66 0x81; iotools io_write8 0x62 3; iotools io_write8 0x62 50 (keyboard dimmer) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 3; iotools io_read8 0x62 0x32 # iotools io_write8 0x66 0x81; iotools io_write8 0x62 3; iotools io_write8 0x62 0 (keyboard goes dark) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 3; iotools io_read8 0x62 0x00 read & write EC_ACPI_MEM_FAN_DUTY # iotools io_write8 0x66 0x81; iotools io_write8 0x62 4; iotools io_write8 0x62 100 (fan on full) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 4; iotools io_read8 0x62 0x64 # iotools io_write8 0x66 0x81; iotools io_write8 0x62 4; iotools io_write8 0x62 50 (fan on half speed) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 4; iotools io_read8 0x62 0x32 # iotools io_write8 0x66 0x81; iotools io_write8 0x62 4; iotools io_write8 0x62 0 (fan off) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 4; iotools io_read8 0x62 0x00 # iotools io_write8 0x66 0x81; iotools io_write8 0x62 4; iotools io_write8 0x62 0xff (fan back to EC control) # iotools io_write8 0x66 0x80; iotools io_write8 0x62 4; iotools io_read8 0x62 0xff test EC_CMD_ACPI_QUERY_EVENT # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x00 On EC console: > hostevent set 0x0f000000 # ectool eventget Current host events: 0x0f000000 # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x19 # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x1a # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x1b # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x1c # iotools io_write8 0x66 0x84; iotools io_read8 0x62 0x00 # ectool eventget Current host events: 0x00000000 Change-Id: I011a5a2051171ec1d37e55ce03e1ce74b93a7e14 Signed-off-by: Bill Richardson <wfrichar@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/179692
24 lines
699 B
C
24 lines
699 B
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* ACPI EC interface block. */
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#ifndef __CROS_EC_ACPI_H
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#define __CROS_EC_ACPI_H
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#include <stdint.h>
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/**
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* Handle AP write to EC via the ACPI I/O port.
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*
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* @param is_cmd Is write command (is_cmd=1) or data (is_cmd=0)
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* @param value Value written to cmd or data register by AP
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* @param result Value for AP to read from data port, if any
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* @return True if *result was updated by this call
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*/
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int acpi_ap_to_ec(int is_cmd, uint8_t value, uint8_t *result);
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#endif /* __CROS_EC_ACPI_H */
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