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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
2023-07-11 16:32:54 +08:00
parent 0ac1ee4358
commit 57879e772d
18 changed files with 787 additions and 480 deletions
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6
components/esp_lcd/src/esp_lcd_panel_io_i80.c
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@@ -522,7 +522,11 @@ static esp_err_t lcd_i80_init_dma_link(esp_lcd_i80_bus_handle_t bus)
gdma_channel_alloc_config_t dma_chan_config = {
.direction = GDMA_CHANNEL_DIRECTION_TX,
};
ret = gdma_new_channel(&dma_chan_config, &bus->dma_chan);
#if SOC_GDMA_TRIG_PERIPH_LCD0_BUS == SOC_GDMA_BUS_AHB
ret = gdma_new_ahb_channel(&dma_chan_config, &bus->dma_chan);
#elif SOC_GDMA_TRIG_PERIPH_LCD0_BUS == SOC_GDMA_BUS_AXI
ret = gdma_new_axi_channel(&dma_chan_config, &bus->dma_chan);
#endif
ESP_GOTO_ON_ERROR(ret, err, TAG, "alloc DMA channel failed");
gdma_connect(bus->dma_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_LCD, 0));
gdma_strategy_config_t strategy_config = {