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