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spi: apply gdma allocator to SPI

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This commit is contained in:
Armando
2021-01-27 21:56:16 +08:00
committed by bot
parent 2e670bf6af
commit c438ad5d72
17 changed files with 480 additions and 290 deletions
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24
components/hal/spi_slave_hal_iram.c
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@@ -7,15 +7,15 @@
#include "soc/gdma_struct.h"
#include "hal/gdma_ll.h"
#define spi_dma_ll_rx_reset(dev) gdma_ll_rx_reset_channel(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL)
#define spi_dma_ll_tx_reset(dev) gdma_ll_tx_reset_channel(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL);
#define spi_dma_ll_rx_start(dev, addr) do {\
gdma_ll_rx_set_desc_addr(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL, (uint32_t)addr);\
gdma_ll_rx_start(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL);\
#define spi_dma_ll_rx_reset(dev, chan) gdma_ll_rx_reset_channel(&GDMA, chan)
#define spi_dma_ll_tx_reset(dev, chan) gdma_ll_tx_reset_channel(&GDMA, chan);
#define spi_dma_ll_rx_start(dev, chan, addr) do {\
gdma_ll_rx_set_desc_addr(&GDMA, chan, (uint32_t)addr);\
gdma_ll_rx_start(&GDMA, chan);\
} while (0)
#define spi_dma_ll_tx_start(dev, addr) do {\
gdma_ll_tx_set_desc_addr(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL, (uint32_t)addr);\
gdma_ll_tx_start(&GDMA, SOC_GDMA_SPI3_DMA_CHANNEL);\
#define spi_dma_ll_tx_start(dev, chan, addr) do {\
gdma_ll_tx_set_desc_addr(&GDMA, chan, (uint32_t)addr);\
gdma_ll_tx_start(&GDMA, chan);\
} while (0)
#endif
@@ -39,24 +39,24 @@ void spi_slave_hal_prepare_data(const spi_slave_hal_context_t *hal)
lldesc_setup_link(hal->dmadesc_rx, hal->rx_buffer, ((hal->bitlen + 7) / 8), true);
//reset dma inlink, this should be reset before spi related reset
spi_dma_ll_rx_reset(hal->dma_in);
spi_dma_ll_rx_reset(hal->dma_in, hal->rx_dma_chan);
spi_ll_dma_rx_fifo_reset(hal->dma_in);
spi_ll_slave_reset(hal->hw);
spi_ll_infifo_full_clr(hal->hw);
spi_ll_dma_rx_enable(hal->hw, 1);
spi_dma_ll_rx_start(hal->dma_in, &hal->dmadesc_rx[0]);
spi_dma_ll_rx_start(hal->dma_in, hal->rx_dma_chan, &hal->dmadesc_rx[0]);
}
if (hal->tx_buffer) {
lldesc_setup_link(hal->dmadesc_tx, hal->tx_buffer, (hal->bitlen + 7) / 8, false);
//reset dma outlink, this should be reset before spi related reset
spi_dma_ll_tx_reset(hal->dma_out);
spi_dma_ll_tx_reset(hal->dma_out, hal->tx_dma_chan);
spi_ll_dma_tx_fifo_reset(hal->dma_out);
spi_ll_slave_reset(hal->hw);
spi_ll_outfifo_empty_clr(hal->hw);
spi_ll_dma_tx_enable(hal->hw, 1);
spi_dma_ll_tx_start(hal->dma_out, (&hal->dmadesc_tx[0]));
spi_dma_ll_tx_start(hal->dma_out, hal->tx_dma_chan, (&hal->dmadesc_tx[0]));
}
} else {
//No DMA. Turn off SPI and copy data to transmit buffers.