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feat(gdma): support channel allocator on esp32p4

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There's two GDMA groups on ESP32P4, one is connected to AHB bus,
and another one is connected AXI bus.
We now have two seperate APIs for allocating DMA channels,
depends on the bus type.
This commit is contained in:
morris
2023-07-19 18:18:07 +08:00
parent 0ac1ee4358
commit 57879e772d
18 changed files with 787 additions and 480 deletions
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components/driver/parlio/parlio_tx.c
+5 -1
View File
@@ -215,7 +215,11 @@ static esp_err_t parlio_tx_unit_init_dma(parlio_tx_unit_t *tx_unit)
gdma_channel_alloc_config_t dma_chan_config = {
.direction = GDMA_CHANNEL_DIRECTION_TX,
};
ESP_RETURN_ON_ERROR(gdma_new_channel(&dma_chan_config, &tx_unit->dma_chan), TAG, "allocate TX DMA channel failed");
#if SOC_GDMA_TRIG_PERIPH_PARLIO0_BUS == SOC_GDMA_BUS_AHB
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, &tx_unit->dma_chan), TAG, "allocate TX DMA channel failed");
#elif SOC_GDMA_TRIG_PERIPH_PARLIO0_BUS == SOC_GDMA_BUS_AXI
ESP_RETURN_ON_ERROR(gdma_new_axi_channel(&dma_chan_config, &tx_unit->dma_chan), TAG, "allocate TX DMA channel failed");
#endif
gdma_connect(tx_unit->dma_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_PARLIO, 0));
gdma_strategy_config_t gdma_strategy_conf = {
.auto_update_desc = true,