zephyr/subsys/shell/backends/shell_adsp_memory_window.c

141 lines
3.9 KiB
C

/*
* 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;
}