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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
100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/* Copyright (c) 2012 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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/* LPC module for Chrome EC */
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#ifndef __CROS_EC_LPC_H
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#define __CROS_EC_LPC_H
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#include "common.h"
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/**
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* Return a pointer to the memory-mapped buffer.
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*
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* This buffer is writable at any time, and the host can read it at any time.
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*/
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uint8_t *lpc_get_memmap_range(void);
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/**
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* Return true if keyboard data is waiting for the host to read (TOH is still
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* set).
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*/
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int lpc_keyboard_has_char(void);
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/* Return true if the FRMH is still set */
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int lpc_keyboard_input_pending(void);
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/**
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* Send a byte to host via keyboard port 0x60.
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*
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* @param chr Byte to send
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* @param send_irq If non-zero, asserts IRQ
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*/
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void lpc_keyboard_put_char(uint8_t chr, int send_irq);
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/**
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* Clear the keyboard buffer.
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*/
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void lpc_keyboard_clear_buffer(void);
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/**
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* Send an IRQ to host if there is a byte in buffer already.
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*/
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void lpc_keyboard_resume_irq(void);
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/**
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* Return non-zero if the COMx interface has received a character.
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*/
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int lpc_comx_has_char(void);
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/**
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* Return the next character pending on the COMx interface.
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*/
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int lpc_comx_get_char(void);
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/**
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* Put a character to the COMx LPC interface.
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*/
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void lpc_comx_put_char(int c);
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/*
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* Low-level LPC interface for host events.
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*
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* For use by host_event_commands.c. Other modules should use the methods
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* provided in host_command.h.
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*/
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/* Types of host events */
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enum lpc_host_event_type {
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LPC_HOST_EVENT_SMI = 0,
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LPC_HOST_EVENT_SCI,
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LPC_HOST_EVENT_WAKE,
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};
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/**
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* Set the event state.
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*/
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void lpc_set_host_event_state(uint32_t mask);
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/**
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* Clear and return the lowest host event.
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*/
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int lpc_query_host_event_state(void);
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/**
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* Set the event mask for the specified event type.
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*
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* @param type Event type
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* @param mask New event mask
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*/
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void lpc_set_host_event_mask(enum lpc_host_event_type type, uint32_t mask);
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/**
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* Return the event mask for the specified event type.
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*/
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uint32_t lpc_get_host_event_mask(enum lpc_host_event_type type);
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#endif /* __CROS_EC_LPC_H */
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