42         .host_id = 0, \
55     int host_id;  member
178 static esp_err_t alloc_dma_chan(spi_host_device_t host_id, spi_dma_chan_t dma_chan, uint32_t *out_a…  in alloc_dma_chan()  argument
180     assert(is_valid_host(host_id));  in alloc_dma_chan()
184     assert(dma_chan == (int)host_id || dma_chan == SPI_DMA_CH_AUTO);  in alloc_dma_chan()
201         success = claim_dma_chan(host_id, &actual_dma_chan);  in alloc_dma_chan()
215     connect_spi_and_dma(host_id, *out_actual_tx_dma_chan);  in alloc_dma_chan()
221 static esp_err_t alloc_dma_chan(spi_host_device_t host_id, spi_dma_chan_t dma_chan, uint32_t *out_a…  in alloc_dma_chan()  argument
223     assert(is_valid_host(host_id));  in alloc_dma_chan()
227     spicommon_bus_context_t *ctx = bus_ctx[host_id];  in alloc_dma_chan()
248         if (host_id == SPI2_HOST) {  in alloc_dma_chan()
253         else if (host_id == SPI3_HOST) {  in alloc_dma_chan()
266 esp_err_t spicommon_dma_chan_alloc(spi_host_device_t host_id, spi_dma_chan_t dma_chan, uint32_t *ou…  in spicommon_dma_chan_alloc()  argument
268     assert(is_valid_host(host_id));  in spicommon_dma_chan_alloc()
272     assert(dma_chan == (int)host_id || dma_chan == SPI_DMA_CH_AUTO);  in spicommon_dma_chan_alloc()
283     bus_ctx[host_id] = ctx;  in spicommon_dma_chan_alloc()
284     ctx->host_id = host_id;  in spicommon_dma_chan_alloc()
286     ret = alloc_dma_chan(host_id, dma_chan, &actual_tx_dma_chan, &actual_rx_dma_chan);  in spicommon_dma_chan_alloc()
304 esp_err_t spicommon_gdma_get_handle(spi_host_device_t host_id, gdma_channel_handle_t *gdma_handle, …  in spicommon_gdma_get_handle()  argument
306     assert(is_valid_host(host_id));  in spicommon_gdma_get_handle()
313         *gdma_handle = bus_ctx[host_id]->tx_channel;  in spicommon_gdma_get_handle()
316         *gdma_handle = bus_ctx[host_id]->rx_channel;  in spicommon_gdma_get_handle()
323 static esp_err_t dma_chan_free(spi_host_device_t host_id)  in dma_chan_free()  argument
325     assert(is_valid_host(host_id));  in dma_chan_free()
327     spicommon_bus_context_t *ctx = bus_ctx[host_id];  in dma_chan_free()
352 esp_err_t spicommon_dma_chan_free(spi_host_device_t host_id)  in spicommon_dma_chan_free()  argument
354     assert(is_valid_host(host_id));  in spicommon_dma_chan_free()
356     esp_err_t ret = dma_chan_free(host_id);  in spicommon_dma_chan_free()
357     free(bus_ctx[host_id]);  in spicommon_dma_chan_free()
358     bus_ctx[host_id] = NULL;  in spicommon_dma_chan_free()
753 spi_bus_lock_handle_t spi_bus_lock_get_by_id(spi_host_device_t host_id)  in spi_bus_lock_get_by_id()  argument
755     return bus_ctx[host_id]->bus_attr.lock;  in spi_bus_lock_get_by_id()
759 esp_err_t spi_bus_initialize(spi_host_device_t host_id, const spi_bus_config_t *bus_config, spi_dma…  in spi_bus_initialize()  argument
767     SPI_CHECK(is_valid_host(host_id), "invalid host_id", ESP_ERR_INVALID_ARG);  in spi_bus_initialize()
768     SPI_CHECK(bus_ctx[host_id] == NULL, "SPI bus already initialized.", ESP_ERR_INVALID_STATE);  in spi_bus_initialize()
772 …SPI_CHECK( dma_chan == SPI_DMA_DISABLED || dma_chan == (int)host_id || dma_chan == SPI_DMA_CH_AUTO…  in spi_bus_initialize()
781     bool spi_chan_claimed = spicommon_periph_claim(host_id, "spi master");  in spi_bus_initialize()
790     bus_ctx[host_id] = ctx;  in spi_bus_initialize()
791     ctx->host_id = host_id;  in spi_bus_initialize()
798         err = alloc_dma_chan(host_id, dma_chan, &actual_tx_dma_chan, &actual_rx_dma_chan);  in spi_bus_initialize()
823         .host_id = host_id,  in spi_bus_initialize()
824         .cs_num = SOC_SPI_PERIPH_CS_NUM(host_id),  in spi_bus_initialize()
839 …err = spicommon_bus_initialize_io(host_id, bus_config, SPICOMMON_BUSFLAG_MASTER | bus_config->flag…  in spi_bus_initialize()
859             dma_chan_free(host_id);  in spi_bus_initialize()
862     spicommon_periph_free(host_id);  in spi_bus_initialize()
863     free(bus_ctx[host_id]);  in spi_bus_initialize()
864     bus_ctx[host_id] = NULL;  in spi_bus_initialize()
868 const spi_bus_attr_t* spi_bus_get_attr(spi_host_device_t host_id)  in spi_bus_get_attr()  argument
870     if (bus_ctx[host_id] == NULL) return NULL;  in spi_bus_get_attr()
872     return &bus_ctx[host_id]->bus_attr;  in spi_bus_get_attr()
875 esp_err_t spi_bus_free(spi_host_device_t host_id)  in spi_bus_free()  argument
877     if (bus_ctx[host_id] == NULL) {  in spi_bus_free()
882     spicommon_bus_context_t* ctx = bus_ctx[host_id];  in spi_bus_free()
900         dma_chan_free(host_id);  in spi_bus_free()
902     spicommon_periph_free(host_id);  in spi_bus_free()
904     bus_ctx[host_id] = NULL;  in spi_bus_free()
908 esp_err_t spi_bus_register_destroy_func(spi_host_device_t host_id,  in spi_bus_register_destroy_func()  argument
911     bus_ctx[host_id]->destroy_func = f;  in spi_bus_register_destroy_func()
912     bus_ctx[host_id]->destroy_arg = arg;  in spi_bus_register_destroy_func()