a1b77fd589
git grep -l 'u\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g" git grep -l 's\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g" Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
88 lines
2.8 KiB
C
88 lines
2.8 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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/* 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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uint32_t direction;
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#ifdef CONFIG_DMAMUX_STM32
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int mux_channel; /* stores the dmamux channel */
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#endif /* CONFIG_DMAMUX_STM32 */
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bool source_periph;
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bool busy;
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uint32_t src_size;
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uint32_t dst_size;
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void *callback_arg; /* holds the client data */
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void (*dma_callback)(void *arg, uint32_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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uint32_t base;
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};
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#ifdef CONFIG_DMA_STM32_V1
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/* from DTS the dma stream id is in range 0..<dma-requests>-1 */
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#define STREAM_OFFSET 0
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#else
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/* from DTS the dma stream id is in range 1..<dma-requests> */
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/* so decrease to set range from 0 from now on */
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#define STREAM_OFFSET 1
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#endif /* CONFIG_DMA_STM32_V1 */
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extern uint32_t table_ll_stream[];
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extern uint32_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 uint32_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_V2
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extern uint32_t (*func_ll_is_active_gi[])(DMA_TypeDef *DMAx);
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extern void (*func_ll_clear_gi[])(DMA_TypeDef *DMAx);
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#endif
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#ifdef CONFIG_DMA_STM32_V1
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extern uint32_t table_ll_channel[];
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#endif
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void stm32_dma_dump_stream_irq(DMA_TypeDef *dma, uint32_t id);
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void stm32_dma_clear_stream_irq(DMA_TypeDef *dma, uint32_t id);
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bool stm32_dma_is_irq_happened(DMA_TypeDef *dma, uint32_t id);
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bool stm32_dma_is_unexpected_irq_happened(DMA_TypeDef *dma, uint32_t id);
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void stm32_dma_enable_stream(DMA_TypeDef *dma, uint32_t id);
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int stm32_dma_disable_stream(DMA_TypeDef *dma, uint32_t id);
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void stm32_dma_config_channel_function(DMA_TypeDef *dma, uint32_t id, uint32_t slot);
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#ifdef CONFIG_DMA_STM32_V1
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void stm32_dma_disable_fifo_irq(DMA_TypeDef *dma, uint32_t id);
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bool stm32_dma_check_fifo_mburst(LL_DMA_InitTypeDef *DMAx);
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uint32_t stm32_dma_get_fifo_threshold(uint16_t fifo_mode_control);
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uint32_t stm32_dma_get_mburst(struct dma_config *config, bool source_periph);
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uint32_t stm32_dma_get_pburst(struct dma_config *config, bool source_periph);
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#endif
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#ifdef CONFIG_DMAMUX_STM32
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/* dma_stm32_ api functions are exported to the dmamux_stm32 */
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int dma_stm32_configure(struct device *dev, uint32_t id,
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struct dma_config *config);
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int dma_stm32_reload(struct device *dev, uint32_t id,
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uint32_t src, uint32_t dst, size_t size);
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int dma_stm32_start(struct device *dev, uint32_t id);
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int dma_stm32_stop(struct device *dev, uint32_t id);
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#endif /* CONFIG_DMAMUX_STM32 */
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#endif /* DMA_STM32_H_*/
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