141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
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* Copyright (c) 2024 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/shell/shell_adsp_memory_window.h>
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#include <zephyr/sys/winstream.h>
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#include <zephyr/logging/log.h>
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#include <adsp_memory.h>
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#include <adsp_debug_window.h>
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SHELL_ADSP_MEMORY_WINDOW_DEFINE(shell_transport_adsp_memory_window);
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SHELL_DEFINE(shell_adsp_memory_window, CONFIG_SHELL_BACKEND_ADSP_MEMORY_WINDOW_PROMPT,
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&shell_transport_adsp_memory_window, 256, 0, SHELL_FLAG_OLF_CRLF);
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LOG_MODULE_REGISTER(shell_adsp_memory_window);
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#define RX_WINDOW_SIZE 256
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#define POLL_INTERVAL K_MSEC(CONFIG_SHELL_BACKEND_ADSP_MEMORY_WINDOW_POLL_INTERVAL)
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BUILD_ASSERT(RX_WINDOW_SIZE < ADSP_DW_SLOT_SIZE);
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struct adsp_debug_slot_shell {
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uint8_t rx_window[RX_WINDOW_SIZE];
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uint8_t tx_window[ADSP_DW_SLOT_SIZE - RX_WINDOW_SIZE];
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} __packed;
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static void timer_handler(struct k_timer *timer)
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{
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const struct shell_adsp_memory_window *sh_adsp_mw = k_timer_user_data_get(timer);
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__ASSERT_NO_MSG(sh_adsp_mw->shell_handler && sh_adsp_mw->shell_context);
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sh_adsp_mw->shell_handler(SHELL_TRANSPORT_EVT_RX_RDY,
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sh_adsp_mw->shell_context);
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}
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static int init(const struct shell_transport *transport,
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const void *config,
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shell_transport_handler_t evt_handler,
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void *context)
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{
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struct shell_adsp_memory_window *sh_adsp_mw =
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(struct shell_adsp_memory_window *)transport->ctx;
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struct adsp_debug_slot_shell *dw_slot;
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if (ADSP_DW->descs[ADSP_DW_SLOT_NUM_SHELL].type &&
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(ADSP_DW->descs[ADSP_DW_SLOT_NUM_SHELL].type !=
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ADSP_DW_SLOT_SHELL)) {
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LOG_WRN("Possible conflict with debug window slot for shell, key %#x\n",
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ADSP_DW->descs[ADSP_DW_SLOT_NUM_SHELL].type);
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}
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ADSP_DW->descs[ADSP_DW_SLOT_NUM_SHELL].type = ADSP_DW->descs[ADSP_DW_SLOT_NUM_SHELL].type;
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sh_adsp_mw->shell_handler = evt_handler;
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sh_adsp_mw->shell_context = context;
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dw_slot = (struct adsp_debug_slot_shell *)ADSP_DW->slots[ADSP_DW_SLOT_NUM_SHELL];
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sh_adsp_mw->ws_rx = sys_winstream_init(&dw_slot->rx_window[0], sizeof(dw_slot->rx_window));
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sh_adsp_mw->ws_tx = sys_winstream_init(&dw_slot->tx_window[0], sizeof(dw_slot->tx_window));
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LOG_DBG("shell with ADSP debug window rx/tx %u/%u\n",
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sizeof(dw_slot->rx_window), sizeof(dw_slot->tx_window));
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k_timer_init(&sh_adsp_mw->timer, timer_handler, NULL);
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k_timer_user_data_set(&sh_adsp_mw->timer, (void *)sh_adsp_mw);
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k_timer_start(&sh_adsp_mw->timer, POLL_INTERVAL, POLL_INTERVAL);
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return 0;
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}
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static int uninit(const struct shell_transport *transport)
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{
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struct shell_adsp_memory_window *sh_adsp_mw =
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(struct shell_adsp_memory_window *)transport->ctx;
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k_timer_stop(&sh_adsp_mw->timer);
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return 0;
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}
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static int enable(const struct shell_transport *transport, bool blocking)
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{
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return 0;
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}
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static int write(const struct shell_transport *transport,
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const void *data, size_t length, size_t *cnt)
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{
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struct shell_adsp_memory_window *sh_adsp_mw =
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(struct shell_adsp_memory_window *)transport->ctx;
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sys_winstream_write(sh_adsp_mw->ws_tx, data, length);
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*cnt = length;
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return 0;
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}
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static int read(const struct shell_transport *transport,
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void *data, size_t length, size_t *cnt)
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{
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struct shell_adsp_memory_window *sh_adsp_mw =
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(struct shell_adsp_memory_window *)transport->ctx;
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uint32_t res;
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res = sys_winstream_read(sh_adsp_mw->ws_rx, &sh_adsp_mw->read_seqno, data, length);
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*cnt = res;
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return 0;
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}
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const struct shell_transport_api shell_adsp_memory_window_transport_api = {
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.init = init,
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.uninit = uninit,
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.enable = enable,
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.write = write,
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.read = read
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};
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static int enable_shell_adsp_memory_window(void)
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{
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bool log_backend = true;
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uint32_t level = CONFIG_LOG_MAX_LEVEL;
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static const struct shell_backend_config_flags cfg_flags =
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SHELL_DEFAULT_BACKEND_CONFIG_FLAGS;
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shell_init(&shell_adsp_memory_window, NULL, cfg_flags, log_backend, level);
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return 0;
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}
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SYS_INIT(enable_shell_adsp_memory_window, POST_KERNEL, 0);
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const struct shell *shell_backend_adsp_memory_window_get_ptr(void)
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{
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return &shell_adsp_memory_window;
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}
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