4  * SPDX-License-Identifier: Apache-2.0
9  * Zephyr OS layer of the Wi-Fi driver.
43 	const struct spi_buf_set tx = { .buffers = tx_buf, .count = 2 };  in spim_xfer_tx()
59 		0 /* dummy byte */  in spim_xfer_rx()
68 	const struct spi_buf_set tx = { .buffers = tx_buf, .count = 2 };  in spim_xfer_rx()
75 	const struct spi_buf_set rx = { .buffers = rx_buf, .count = 2 };  in spim_xfer_rx()
78 		LOG_ERR("Discard bytes too large, please adjust buf size");  in spim_xfer_rx()
79 		return -EINVAL;  in spim_xfer_rx()
97 		.count = 1  in spim_read_reg()
106 	const struct spi_buf_set rx = { .buffers = &rx_buf, .count = 1 };  in spim_read_reg()
110 	LOG_DBG("err: %d -> %x %x %x %x %x %x", err, sr[0], sr[1], sr[2], sr[3], sr[4], sr[5]);  in spim_read_reg()
125 	const struct spi_buf_set tx = { .buffers = &tx_buf, .count = 1 };  in spim_write_reg()
176 		return -1;  in _spim_wait_while_rpu_awake()
203 		return -1;  in spim_wait_while_rpu_wake_write()
220 	const struct spi_buf_set tx = { .buffers = &tx_buf, .count = 1 };  in spim_cmd_sleep_rpu()
234 		LOG_ERR("Device %s is not ready", spi_spec.bus->name);  in spim_init()
235 		return -ENODEV;  in spim_init()
240 	k_sem_init(&spim_config->lock, 1, 1);  in spim_init()
243 		spim_config->qspi_slave_latency = 1;  in spim_init()
246 	LOG_INF("SPIM %s: freq = %d MHz", spi_spec.bus->name,  in spim_init()
248 	LOG_INF("SPIM %s: latency = %d", spi_spec.bus->name, spim_config->qspi_slave_latency);  in spim_init()
275 	addr |= spim_config->addrmask;  in spim_write()
277 	k_sem_take(&spim_config->lock, K_FOREVER);  in spim_write()
281 	k_sem_give(&spim_config->lock);  in spim_write()
292 	addr |= spim_config->addrmask;  in spim_read()
294 	k_sem_take(&spim_config->lock, K_FOREVER);  in spim_read()
298 	k_sem_give(&spim_config->lock);  in spim_read()
305 	int status = -1;  in spim_hl_readw()
307 	k_sem_take(&spim_config->lock, K_FOREVER);  in spim_hl_readw()
309 	status = spim_xfer_rx(addr, data, 4, 4 * spim_config->qspi_slave_latency);  in spim_hl_readw()
311 	k_sem_give(&spim_config->lock);  in spim_hl_readw()
318 	int count = 0;  in spim_hl_read()  local
322 	while (count < (len / 4)) {  in spim_hl_read()
323 		spim_hl_readw(addr + (4 * count), (char *)data + (4 * count));  in spim_hl_read()
324 		count++;  in spim_hl_read()
330 /* ------------------------------added for wifi utils -------------------------------- */