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2464e96469
BUG=chrome-os-partner:8277 TEST=manual On EC console: hostevent set 0x1e From root shell: ectool eventget --> should return 0x1e ectool eventclear 0x02 ectool eventget --> should return 0x1c ectool queryec --> should return event 3 ectool queryec --> should return event 4 ectool queryec --> should return event 5 ectool queryec --> should return no event pending ectool eventsetsmimask 0x1200 ectool eventsetscimask 0x0034 ectool eventgetsmimask --> should return 0x1200 ectool eventgetscimask --> should return 0x0034 On EC console: hostevent --> should show raw=0 SMI mask = 0x1200 SCI mask = 0x34 Change-Id: I33042fa80c0b148cd63209a94a184af493e25ed3
67 lines
2.1 KiB
C
67 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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/* Manually generates an IRQ to host.
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* Note that the irq_num == 0 would set the AH bit (Active High).
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*/
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void lpc_manual_irq(int irq_num);
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/* Initializes the LPC module. */
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int lpc_init(void);
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/* Returns a pointer to the host command data buffer. This buffer
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* must only be accessed between a notification to
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* host_command_received() and a subsequent call to
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* lpc_SendHostResponse(). <slot> is 0 for kernel-originated
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* commands, 1 for usermode-originated commands. */
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uint8_t *lpc_get_host_range(int slot);
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/* Returns a pointer to the memory-mapped buffer. This buffer is writable at
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* any time, and the host can read it at any time. */
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uint8_t *lpc_get_memmap_range(void);
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/* Sends a result code to a host command. <slot> is 0 for kernel-originated
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* commands, 1 for usermode-originated commands. */
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void lpc_send_host_response(int slot, int result);
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/* Return true if the TOH is still set */
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int lpc_keyboard_has_char(void);
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/* Send a byte to host via port 0x60 and asserts IRQ if specified. */
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void lpc_keyboard_put_char(uint8_t chr, int send_irq);
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/* Returns non-zero if the COMx interface has received a character. */
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int lpc_comx_has_char(void);
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/* Returns the next character pending on the COMx interface. */
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int lpc_comx_get_char(void);
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/* Puts a character to the COMx LPC interface. */
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void lpc_comx_put_char(int c);
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/* Set one or more SCI/SMI event bits. */
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void lpc_set_host_events(uint32_t mask);
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/* Clear one or more SCI/SMI event bits. Write 1 to a bit to clear it. */
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void lpc_clear_host_events(uint32_t mask);
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/* Return the raw SCI/SMI event state. */
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uint32_t lpc_get_host_events(void);
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/* Set the SMI (sci=0) or SMI (sci=1) event mask. */
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void lpc_set_host_event_mask(int sci, uint32_t mask);
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/* Return the SMI (sci=0) or SMI (sci=1) event mask. */
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uint32_t lpc_get_host_event_mask(int sci);
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#endif /* __CROS_EC_LPC_H */
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