diff options
Diffstat (limited to 'chip/mt_scp/rv32i_common/ipi_chip.h')
| -rw-r--r-- | chip/mt_scp/rv32i_common/ipi_chip.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/chip/mt_scp/rv32i_common/ipi_chip.h b/chip/mt_scp/rv32i_common/ipi_chip.h deleted file mode 100644 index 47a9434b09..0000000000 --- a/chip/mt_scp/rv32i_common/ipi_chip.h +++ /dev/null @@ -1,86 +0,0 @@ -/* Copyright 2020 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef __CROS_EC_IPI_CHIP_H -#define __CROS_EC_IPI_CHIP_H - -#include "common.h" - -/* - * Length of EC version string is at most 32 byte (NULL included), which - * also aligns SCP fw_version length. - */ -#define SCP_FW_VERSION_LEN 32 - -#ifndef SCP_IPI_INIT -#error If CONFIG_IPI is enabled, SCP_IPI_INIT must be defined. -#endif - -/* - * Share buffer layout for SCP_IPI_INIT response. This structure should sync - * across kernel and EC. - */ -struct scp_run_t { - uint32_t signaled; - int8_t fw_ver[SCP_FW_VERSION_LEN]; - uint32_t dec_capability; - uint32_t enc_capability; -}; - -/* - * The layout of the IPC0 AP/SCP shared buffer. - * This should sync across kernel and EC. - */ -struct ipc_shared_obj { - /* IPI ID */ - int32_t id; - /* Length of the contents in buffer. */ - uint32_t len; - /* Shared buffer contents. */ - uint8_t buffer[CONFIG_IPC_SHARED_OBJ_BUF_SIZE]; -}; - -/* Send a IPI contents to AP. This shouldn't be used in ISR context. */ -int ipi_send(int32_t id, const void *buf, uint32_t len, int wait); - -/* - * An IPC IRQ could be shared across many IPI handlers. - * Those handlers would usually operate on disabling or enabling the IPC IRQ. - * This may disorder the actual timing to on/off the IRQ when there are many - * tasks try to operate on it. As a result, any access to the SCP_IRQ_* - * should go through ipi_{en,dis}able_irq(), which support a counter to - * enable/disable the IRQ at correct timing. - */ -/* Disable IPI IRQ. */ -void ipi_disable_irq(void); -/* Enable IPI IRQ. */ -void ipi_enable_irq(void); - -/* IPI tables */ -extern void (*const ipi_handler_table[])(int32_t, void *, uint32_t); -extern int *const ipi_wakeup_table[]; - -/* Helper macros to build the IPI handler and wakeup functions. */ -#define IPI_HANDLER(id) CONCAT3(ipi_, id, _handler) -#define IPI_WAKEUP(id) CONCAT3(ipi_, id, _wakeup) - -/* - * Macro to declare an IPI handler. - * _id: The ID of the IPI - * handler: The IPI handler function - * is_wakeup_src: Declare IPI ID as a wake-up source or not - */ -#define DECLARE_IPI(_id, handler, is_wakeup_src) \ - struct ipi_num_check##_id { \ - int tmp1[_id < IPI_COUNT ? 1 : -1]; \ - int tmp2[is_wakeup_src == 0 || is_wakeup_src == 1 ? 1 : -1]; \ - }; \ - void __keep IPI_HANDLER(_id)(int32_t id, void *buf, uint32_t len) \ - { \ - handler(id, buf, len); \ - } \ - const int __keep IPI_WAKEUP(_id) = is_wakeup_src - -#endif /* __CROS_EC_IPI_CHIP_H */ |