mirror of
https://github.com/zephyrproject-rtos/zephyr
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3553d4fa69
This patches just changes the header file organisation Signed-off-by: Francois Ramu <francois.ramu@st.com>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* Copyright (c) 2019 Song Qiang <songqiang1304521@gmail.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef DMA_STM32_H_
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#define DMA_STM32_H_
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static u32_t table_m_size[] = {
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LL_DMA_MDATAALIGN_BYTE,
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LL_DMA_MDATAALIGN_HALFWORD,
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LL_DMA_MDATAALIGN_WORD,
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};
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static u32_t table_p_size[] = {
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LL_DMA_PDATAALIGN_BYTE,
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LL_DMA_PDATAALIGN_HALFWORD,
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LL_DMA_PDATAALIGN_WORD,
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};
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/* Maximum data sent in single transfer (Bytes) */
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#define DMA_STM32_MAX_DATA_ITEMS 0xffff
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struct dma_stm32_stream {
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u32_t direction;
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bool source_periph;
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bool busy;
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u32_t src_size;
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u32_t dst_size;
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void *callback_arg;
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void (*dma_callback)(void *arg, u32_t id,
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int error_code);
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};
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struct dma_stm32_data {
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int max_streams;
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struct dma_stm32_stream *streams;
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};
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struct dma_stm32_config {
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struct stm32_pclken pclken;
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void (*config_irq)(struct device *dev);
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bool support_m2m;
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u32_t base;
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};
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extern u32_t table_ll_stream[];
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extern u32_t (*func_ll_is_active_tc[])(DMA_TypeDef *DMAx);
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extern void (*func_ll_clear_tc[])(DMA_TypeDef *DMAx);
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extern u32_t (*func_ll_is_active_ht[])(DMA_TypeDef *DMAx);
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extern void (*func_ll_clear_ht[])(DMA_TypeDef *DMAx);
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#ifdef CONFIG_DMA_STM32_V1
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extern u32_t table_ll_channel[];
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#endif
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void stm32_dma_dump_stream_irq(DMA_TypeDef *dma, u32_t id);
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void stm32_dma_clear_stream_irq(DMA_TypeDef *dma, u32_t id);
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bool stm32_dma_is_irq_happened(DMA_TypeDef *dma, u32_t id);
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bool stm32_dma_is_unexpected_irq_happened(DMA_TypeDef *dma, u32_t id);
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void stm32_dma_enable_stream(DMA_TypeDef *dma, u32_t id);
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int stm32_dma_disable_stream(DMA_TypeDef *dma, u32_t id);
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void stm32_dma_config_channel_function(DMA_TypeDef *dma, u32_t id, u32_t slot);
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#ifdef CONFIG_DMA_STM32_V1
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void stm32_dma_disable_fifo_irq(DMA_TypeDef *dma, u32_t id);
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bool stm32_dma_check_fifo_mburst(LL_DMA_InitTypeDef *DMAx);
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u32_t stm32_dma_get_fifo_threshold(u16_t fifo_mode_control);
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u32_t stm32_dma_get_mburst(struct dma_config *config, bool source_periph);
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u32_t stm32_dma_get_pburst(struct dma_config *config, bool source_periph);
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#endif
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#endif /* DMA_STM32_H_*/
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