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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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8
components/esp_lcd/src/esp_lcd_panel_rgb.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -979,7 +979,11 @@ static esp_err_t lcd_rgb_panel_create_trans_link(esp_rgb_panel_t *panel)
gdma_channel_alloc_config_t dma_chan_config = {
.direction = GDMA_CHANNEL_DIRECTION_TX,
};
ESP_RETURN_ON_ERROR(gdma_new_channel(&dma_chan_config, &panel->dma_chan), TAG, "alloc DMA channel failed");
#if SOC_GDMA_TRIG_PERIPH_LCD0_BUS == SOC_GDMA_BUS_AHB
ESP_RETURN_ON_ERROR(gdma_new_ahb_channel(&dma_chan_config, &panel->dma_chan), TAG, "alloc DMA channel failed");
#elif SOC_GDMA_TRIG_PERIPH_LCD0_BUS == SOC_GDMA_BUS_AXI
ESP_RETURN_ON_ERROR(gdma_new_axi_channel(&dma_chan_config, &panel->dma_chan), TAG, "alloc DMA channel failed");
#endif
gdma_connect(panel->dma_chan, GDMA_MAKE_TRIGGER(GDMA_TRIG_PERIPH_LCD, 0));
gdma_transfer_ability_t ability = {
.psram_trans_align = panel->psram_trans_align,