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drivers: mipi_dsi: dsi_mcux_2l set SMARDMA slot from dev pixfmt

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Previous version hardcoded the SMARTDMA slot to either
RGB565 or RGB565_SWAP, but that would be incorrect
if the pixfmt was RGB888. Use the mipi device
pixfmt to set the slot.

Signed-off-by: Mike J. Chen <mjchen@google.com>
This commit is contained in:
Mike J. Chen 2023-10-06 12:12:34 -07:00 committed by Carles Cufí
parent 9b21d4d366
commit 1e6866ed0b
1 changed files with 23 additions and 5 deletions
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28
drivers/mipi_dsi/dsi_mcux_2l.c
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@ -45,6 +45,9 @@ struct mcux_mipi_dsi_config {
struct mcux_mipi_dsi_data {
dsi_handle_t mipi_handle;
struct k_sem transfer_sem;
#ifdef CONFIG_MIPI_DSI_MCUX_2L_SMARTDMA
uint8_t dma_slot;
#endif
};
@ -105,11 +108,7 @@ static int dsi_mcux_tx_color(const struct device *dev, uint8_t channel,
dma_cfg.user_data = (struct device *)dev;
dma_cfg.head_block = &block;
dma_cfg.block_count = 1;
if (IS_ENABLED(CONFIG_MIPI_DSI_MCUX_2L_SWAP16)) {
dma_cfg.dma_slot = DMA_SMARTDMA_MIPI_RGB565_DMA_SWAP;
} else {
dma_cfg.dma_slot = DMA_SMARTDMA_MIPI_RGB565_DMA;
}
dma_cfg.dma_slot = data->dma_slot;
dma_cfg.channel_direction = MEMORY_TO_PERIPHERAL;
ret = dma_config(config->smart_dma, 0, &dma_cfg);
if (ret < 0) {
@ -241,6 +240,25 @@ static int dsi_mcux_attach(const struct device *dev,
if (!device_is_ready(config->smart_dma)) {
return -ENODEV;
}
struct mcux_mipi_dsi_data *data = dev->data;
switch (mdev->pixfmt) {
case MIPI_DSI_PIXFMT_RGB888:
data->dma_slot = DMA_SMARTDMA_MIPI_RGB888_DMA;
break;
case MIPI_DSI_PIXFMT_RGB565:
if (IS_ENABLED(CONFIG_MIPI_DSI_MCUX_2L_SWAP16)) {
data->dma_slot = DMA_SMARTDMA_MIPI_RGB565_DMA_SWAP;
} else {
data->dma_slot = DMA_SMARTDMA_MIPI_RGB565_DMA;
}
break;
default:
LOG_ERR("SMARTDMA does not support pixel_format %u",
mdev->pixfmt);
return -ENODEV;
}
#else
struct mcux_mipi_dsi_data *data = dev->data;