166     spi_host_t *host;  member
177 static void spi_bus_intr_enable(void *host);
178 static void spi_bus_intr_disable(void *host);
182 static inline bool is_valid_host(spi_host_device_t host)  in is_valid_host()  argument
186     return host >= SPI1_HOST && host <= SPI3_HOST;  in is_valid_host()
188     return host == SPI2_HOST;  in is_valid_host()
190     return host >= SPI2_HOST && host <= SPI3_HOST;  in is_valid_host()
202     spi_host_t *host = ((spi_ipc_param_t *)args)->spi_host;  in ipc_isr_reg_to_core()  local
203     const spi_bus_attr_t* bus_attr = host->bus_attr;  in ipc_isr_reg_to_core()
204 …c(spicommon_irqsource_for_host(host->id), bus_attr->bus_cfg.intr_flags | ESP_INTR_FLAG_INTRDISABLE…  in ipc_isr_reg_to_core()
218     spi_host_t* host = heap_caps_malloc(sizeof(spi_host_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);  in spi_master_init_driver()  local
219     if (host == NULL) {  in spi_master_init_driver()
224     *host = (spi_host_t) {  in spi_master_init_driver()
238                 .spi_host = host,  in spi_master_init_driver()
245 …(host_id), bus_attr->bus_cfg.intr_flags | ESP_INTR_FLAG_INTRDISABLED, spi_intr, host, &host->intr);  in spi_master_init_driver()
264     spi_hal_init(&host->hal, host_id, &hal_config);  in spi_master_init_driver()
269         spi_bus_lock_set_bg_control(lock, spi_bus_intr_enable, spi_bus_intr_disable, host);  in spi_master_init_driver()
270         spi_bus_register_destroy_func(host_id, spi_master_deinit_driver, host);  in spi_master_init_driver()
273     bus_driver_ctx[host_id] = host;  in spi_master_init_driver()
277     if (host) {  in spi_master_init_driver()
278         spi_hal_deinit(&host->hal);  in spi_master_init_driver()
279         if (host->intr) {  in spi_master_init_driver()
280             esp_intr_free(host->intr);  in spi_master_init_driver()
283     free(host);  in spi_master_init_driver()
289     spi_host_t *host = (spi_host_t*)arg;  in spi_master_deinit_driver()  local
290     SPI_CHECK(host != NULL, "host_id not in use", ESP_ERR_INVALID_STATE);  in spi_master_deinit_driver()
292     int host_id = host->id;  in spi_master_deinit_driver()
297         SPI_CHECK(host->device[x] == NULL, "not all CSses freed", ESP_ERR_INVALID_STATE);  in spi_master_deinit_driver()
300     spi_hal_deinit(&host->hal);  in spi_master_deinit_driver()
302     if (host->intr) {  in spi_master_deinit_driver()
303         esp_intr_free(host->intr);  in spi_master_deinit_driver()
305     free(host);  in spi_master_deinit_driver()
354     spi_host_t *host = bus_driver_ctx[host_id];  in spi_bus_add_device()  local
355     const spi_bus_attr_t* bus_attr = host->bus_attr;  in spi_bus_add_device()
450     host->device[freecs] = dev;  in spi_bus_add_device()
452     dev->host= host;  in spi_bus_add_device()
497 …SPI_CHECK(handle->host->cur_cs == DEV_NUM_MAX || handle->host->device[handle->host->cur_cs] != han…  in spi_bus_remove_device()
517     assert(handle->host->device[handle->id] == handle);  in spi_bus_remove_device()
518     handle->host->device[handle->id] = NULL;  in spi_bus_remove_device()
544     spi_hal_context_t *hal = &dev->host->hal;  in spi_setup_device()
553 static SPI_MASTER_ISR_ATTR spi_device_t *get_acquiring_dev(spi_host_t *host)  in get_acquiring_dev()  argument
555     spi_bus_lock_dev_handle_t dev_lock = spi_bus_lock_get_acquiring_dev(host->bus_attr->lock);  in get_acquiring_dev()
558     return host->device[spi_bus_lock_get_dev_id(dev_lock)];  in get_acquiring_dev()
566     return get_acquiring_dev(dev->host) == dev && dev->host->polling;  in spi_bus_device_is_polling()
574 static void SPI_MASTER_ISR_ATTR spi_bus_intr_enable(void *host)  in spi_bus_intr_enable()  argument
576     esp_intr_enable(((spi_host_t*)host)->intr);  in spi_bus_intr_enable()
580 static void SPI_MASTER_ISR_ATTR spi_bus_intr_disable(void *host)  in spi_bus_intr_disable()  argument
582     esp_intr_disable(((spi_host_t*)host)->intr);  in spi_bus_intr_disable()
590     spi_host_t *host = dev->host;  in spi_new_trans()  local
591     spi_hal_context_t *hal = &(host->hal);  in spi_new_trans()
594     host->cur_cs = dev->id;  in spi_new_trans()
603     hal_trans.rcv_buffer = (uint8_t*)host->cur_trans_buf.buffer_to_rcv;  in spi_new_trans()
604     hal_trans.send_buffer = (uint8_t*)host->cur_trans_buf.buffer_to_send;  in spi_new_trans()
647 static void SPI_MASTER_ISR_ATTR spi_post_trans(spi_host_t *host)  in spi_post_trans()  argument
649     spi_transaction_t *cur_trans = host->cur_trans_buf.trans;  in spi_post_trans()
651     spi_hal_fetch_result(&host->hal);  in spi_post_trans()
653     spi_device_t* dev = host->device[host->cur_cs];  in spi_post_trans()
656     host->cur_cs = DEV_NUM_MAX;  in spi_post_trans()
663     spi_host_t *host = (spi_host_t *)arg;  in spi_intr()  local
664     const spi_bus_attr_t* bus_attr = host->bus_attr;  in spi_intr()
666     assert(spi_hal_usr_is_done(&host->hal));  in spi_intr()
678         assert(host->cur_cs != DEV_NUM_MAX);  in spi_intr()
680         const int cs = host->cur_cs;  in spi_intr()
691         spi_post_trans(host);  in spi_intr()
693         if (!(host->device[cs]->cfg.flags & SPI_DEVICE_NO_RETURN_RESULT)) {  in spi_intr()
695             xQueueSendFromISR(host->device[cs]->ret_queue, &host->cur_trans_buf, &do_yield);  in spi_intr()
706     assert(host->cur_cs == DEV_NUM_MAX);  in spi_intr()
708     spi_bus_lock_handle_t lock = host->bus_attr->lock;  in spi_intr()
735                 device_to_send = host->device[spi_bus_lock_get_dev_id(desired_dev)];  in spi_intr()
736 …  trans_found = xQueueReceiveFromISR(device_to_send->trans_queue, &host->cur_trans_buf, &do_yield);  in spi_intr()
744             spi_trans_priv_t *const cur_trans_buf = &host->cur_trans_buf;  in spi_intr()
764     spi_host_t *host = handle->host;  in check_trans_valid()  local
765     const spi_bus_attr_t* bus_attr = host->bus_attr;  in check_trans_valid()
781 …SPI_CHECK(!(host->id == SPI3_HOST && trans_desc->flags & SPI_TRANS_MODE_OCT), "SPI3 does not suppo…  in check_trans_valid()
890     spi_host_t *host = handle->host;  in spi_device_queue_trans()  local
896     if (host->device_acquiring_lock != handle && (trans_desc->flags & SPI_TRANS_CS_KEEP_ACTIVE)) {  in spi_device_queue_trans()
901     ret = setup_priv_desc(trans_desc, &trans_buf, (host->bus_attr->dma_enabled));  in spi_device_queue_trans()
907     esp_pm_lock_acquire(host->bus_attr->pm_lock);  in spi_device_queue_trans()
916         esp_pm_lock_release(host->bus_attr->pm_lock);  in spi_device_queue_trans()
975     spi_host_t *const host = device->host;  in spi_device_acquire_bus()  local
983     host->device_acquiring_lock = device;  in spi_device_acquire_bus()
990     esp_pm_lock_acquire(host->bus_attr->pm_lock);  in spi_device_acquire_bus()
993     spi_setup_device(host->device[device->id]);  in spi_device_acquire_bus()
997     if (host->bus_attr->dma_enabled) {  in spi_device_acquire_bus()
999         spicommon_dmaworkaround_transfer_active(host->bus_attr->tx_dma_chan);  in spi_device_acquire_bus()
1009     spi_host_t *host = dev->host;  in spi_device_release_bus()  local
1017     if (host->bus_attr->dma_enabled) {  in spi_device_release_bus()
1019         spicommon_dmaworkaround_idle(host->bus_attr->tx_dma_chan);  in spi_device_release_bus()
1027     esp_pm_lock_release(host->bus_attr->pm_lock);  in spi_device_release_bus()
1031     host->device_acquiring_lock = NULL;  in spi_device_release_bus()
1048     spi_host_t *host = handle->host;  in spi_device_polling_start()  local
1049     if (host->device_acquiring_lock != handle) {  in spi_device_polling_start()
1061     ret = setup_priv_desc(trans_desc, &host->cur_trans_buf, (host->bus_attr->dma_enabled));  in spi_device_polling_start()
1065     host->polling = true;  in spi_device_polling_start()
1068     spi_new_trans(handle, &host->cur_trans_buf);  in spi_device_polling_start()
1076     spi_host_t *host = handle->host;  in spi_device_polling_end()  local
1078     assert(host->cur_cs == handle->id);  in spi_device_polling_end()
1079     assert(handle == get_acquiring_dev(host));  in spi_device_polling_end()
1082     while (!spi_hal_usr_is_done(&host->hal)) {  in spi_device_polling_end()
1091     spi_post_trans(host);  in spi_device_polling_end()
1093     uninstall_priv_desc(&host->cur_trans_buf);  in spi_device_polling_end()
1095     host->polling = false;  in spi_device_polling_end()
1099     if (host->device_acquiring_lock != handle) {  in spi_device_polling_end()
1100         assert(host->device_acquiring_lock == NULL);  in spi_device_polling_end()
1123     spi_host_t *host = bus_driver_ctx[host_id];  in spi_bus_get_max_transaction_len()  local
1124     if (host->bus_attr->dma_enabled) {  in spi_bus_get_max_transaction_len()
1125         *max_bytes = MIN(host->bus_attr->max_transfer_sz, (SPI_LL_DMA_MAX_BIT_LEN / 8));  in spi_bus_get_max_transaction_len()
1127         *max_bytes = MIN(host->bus_attr->max_transfer_sz, (SPI_LL_CPU_MAX_BIT_LEN / 8));  in spi_bus_get_max_transaction_len()