73 static spi_slave_t *spihost[SOC_SPI_PERIPH_NUM];  variable
153     spihost[host] = malloc(sizeof(spi_slave_t));  in spi_slave_initialize()
154     if (spihost[host] == NULL) {  in spi_slave_initialize()
158     memset(spihost[host], 0, sizeof(spi_slave_t));  in spi_slave_initialize()
159     memcpy(&spihost[host]->cfg, slave_config, sizeof(spi_slave_interface_config_t));  in spi_slave_initialize()
160     memcpy(&spihost[host]->bus_config, bus_config, sizeof(spi_bus_config_t));  in spi_slave_initialize()
161     spihost[host]->id = host;  in spi_slave_initialize()
164     spihost[host]->dma_enabled = use_dma;  in spi_slave_initialize()
172 …_initialize_io(host, bus_config, SPICOMMON_BUSFLAG_SLAVE|bus_config->flags, &spihost[host]->flags);  in spi_slave_initialize()
178         spicommon_cs_initialize(host, slave_config->spics_io_num, 0, !bus_is_iomux(spihost[host]));  in spi_slave_initialize()
180 …spihost[host]->cs_iomux = (slave_config->spics_io_num == spi_periph_signal[host].spics0_iomux_pin)…  in spi_slave_initialize()
181         spihost[host]->cs_in_signal = spi_periph_signal[host].spics_in;  in spi_slave_initialize()
185     if (use_dma) freeze_cs(spihost[host]);  in spi_slave_initialize()
188     spihost[host]->tx_dma_chan = actual_tx_dma_chan;  in spi_slave_initialize()
189     spihost[host]->rx_dma_chan = actual_rx_dma_chan;  in spi_slave_initialize()
194         spihost[host]->max_transfer_sz = dma_desc_ct * SPI_MAX_DMA_LEN;  in spi_slave_initialize()
197         spihost[host]->max_transfer_sz = SOC_SPI_MAXIMUM_BUFFER_SIZE;  in spi_slave_initialize()
201             &spihost[host]->pm_lock);  in spi_slave_initialize()
207     esp_pm_lock_acquire(spihost[host]->pm_lock);  in spi_slave_initialize()
211 …spihost[host]->trans_queue = xQueueCreate(slave_config->queue_size, sizeof(spi_slave_transaction_t…  in spi_slave_initialize()
212     if (!spihost[host]->trans_queue) {  in spi_slave_initialize()
217 …spihost[host]->ret_queue = xQueueCreate(slave_config->queue_size, sizeof(spi_slave_transaction_t *…  in spi_slave_initialize()
218         if (!spihost[host]->ret_queue) {  in spi_slave_initialize()
226         spihost[host]->intr_flags = bus_config->intr_flags;  in spi_slave_initialize()
229             .host = spihost[host],  in spi_slave_initialize()
236 …nfig->intr_flags | ESP_INTR_FLAG_INTRDISABLED, spi_intr, (void *)spihost[host], &spihost[host]->in…  in spi_slave_initialize()
243     spi_slave_hal_context_t *hal = &spihost[host]->hal;  in spi_slave_initialize()
273     if (spihost[host]) {  in spi_slave_initialize()
274         if (spihost[host]->trans_queue) vQueueDelete(spihost[host]->trans_queue);  in spi_slave_initialize()
275         if (spihost[host]->ret_queue) vQueueDelete(spihost[host]->ret_queue);  in spi_slave_initialize()
276         free(spihost[host]->hal.dmadesc_tx);  in spi_slave_initialize()
277         free(spihost[host]->hal.dmadesc_rx);  in spi_slave_initialize()
279         if (spihost[host]->pm_lock) {  in spi_slave_initialize()
280             esp_pm_lock_release(spihost[host]->pm_lock);  in spi_slave_initialize()
281             esp_pm_lock_delete(spihost[host]->pm_lock);  in spi_slave_initialize()
285     spi_slave_hal_deinit(&spihost[host]->hal);  in spi_slave_initialize()
286     if (spihost[host]->dma_enabled) {  in spi_slave_initialize()
290     free(spihost[host]);  in spi_slave_initialize()
291     spihost[host] = NULL;  in spi_slave_initialize()
300     SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);  in spi_slave_free()
301     if (spihost[host]->trans_queue) vQueueDelete(spihost[host]->trans_queue);  in spi_slave_free()
302     if (spihost[host]->ret_queue) vQueueDelete(spihost[host]->ret_queue);  in spi_slave_free()
303     if (spihost[host]->dma_enabled) {  in spi_slave_free()
306     spicommon_bus_free_io_cfg(&spihost[host]->bus_config);  in spi_slave_free()
307     free(spihost[host]->hal.dmadesc_tx);  in spi_slave_free()
308     free(spihost[host]->hal.dmadesc_rx);  in spi_slave_free()
309     esp_intr_free(spihost[host]->intr);  in spi_slave_free()
311     esp_pm_lock_release(spihost[host]->pm_lock);  in spi_slave_free()
312     esp_pm_lock_delete(spihost[host]->pm_lock);  in spi_slave_free()
314     free(spihost[host]);  in spi_slave_free()
315     spihost[host] = NULL;  in spi_slave_free()
337     SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);  in spi_slave_queue_reset()
339     esp_intr_disable(spihost[host]->intr);  in spi_slave_queue_reset()
340     spi_ll_set_int_stat(spihost[host]->hal.hw);  in spi_slave_queue_reset()
342     spihost[host]->cur_trans = NULL;  in spi_slave_queue_reset()
343     xQueueReset(spihost[host]->trans_queue);  in spi_slave_queue_reset()
351     ESP_RETURN_ON_FALSE_ISR(spihost[host], ESP_ERR_INVALID_ARG, SPI_TAG, "host not slave");  in spi_slave_queue_reset_isr()
355     while( pdFALSE == xQueueIsQueueEmptyFromISR(spihost[host]->trans_queue)) {  in spi_slave_queue_reset_isr()
356         xQueueReceiveFromISR(spihost[host]->trans_queue, &trans, &do_yield);  in spi_slave_queue_reset_isr()
362     spihost[host]->cur_trans = NULL;  in spi_slave_queue_reset_isr()
370     SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);  in spi_slave_queue_trans()
371 …SPI_CHECK(spihost[host]->dma_enabled == 0 || trans_desc->tx_buffer==NULL || esp_ptr_dma_capable(tr…  in spi_slave_queue_trans()
373     SPI_CHECK(spihost[host]->dma_enabled == 0 || trans_desc->rx_buffer==NULL ||  in spi_slave_queue_trans()
378 …SPI_CHECK(trans_desc->length <= spihost[host]->max_transfer_sz * 8, "data transfer > host maximum"…  in spi_slave_queue_trans()
379     r = xQueueSend(spihost[host]->trans_queue, (void *)&trans_desc, ticks_to_wait);  in spi_slave_queue_trans()
381     esp_intr_enable(spihost[host]->intr);  in spi_slave_queue_trans()
390     ESP_RETURN_ON_FALSE_ISR(spihost[host], ESP_ERR_INVALID_ARG, SPI_TAG, "host not slave");  in spi_slave_queue_trans_isr()
391 …ESP_RETURN_ON_FALSE_ISR(spihost[host]->dma_enabled == 0 || trans_desc->tx_buffer==NULL || esp_ptr_…  in spi_slave_queue_trans_isr()
393     ESP_RETURN_ON_FALSE_ISR(spihost[host]->dma_enabled == 0 || trans_desc->rx_buffer==NULL ||  in spi_slave_queue_trans_isr()
397 …ESP_RETURN_ON_FALSE_ISR(trans_desc->length <= spihost[host]->max_transfer_sz * 8, ESP_ERR_INVALID_…  in spi_slave_queue_trans_isr()
399     r = xQueueSendFromISR(spihost[host]->trans_queue, (void *)&trans_desc, &do_yield);  in spi_slave_queue_trans_isr()
413     SPI_CHECK(spihost[host], "host not slave", ESP_ERR_INVALID_ARG);  in spi_slave_get_trans_result()
415 …SPI_CHECK(!(spihost[host]->cfg.flags & SPI_SLAVE_NO_RETURN_RESULT), "API not Supported!", ESP_ERR_…  in spi_slave_get_trans_result()
417     r = xQueueReceive(spihost[host]->ret_queue, (void *)trans_desc, ticks_to_wait);  in spi_slave_get_trans_result()