dmacpy_internal.c File Reference

Functions
static void	__pi_dmacpy_handler (void *arg)
static uint8_t	__pi_dmacpy_task_fifo_enqueue (struct dmacpy_itf_data_s *fifo, struct pi_task *task)
static struct pi_task *	__pi_dmacpy_task_fifo_pop (struct dmacpy_itf_data_s *fifo)
static void	__pi_dmacpy_copy_exec (struct dmacpy_itf_data_s *fifo, struct pi_task *task)
void	__pi_dmacpy_conf_init (struct pi_dmacpy_conf *conf)
int32_t	__pi_dmacpy_open (struct pi_dmacpy_conf *conf, struct dmacpy_itf_data_s **device_data)
void	__pi_dmacpy_close (uint32_t device_id)
int32_t	__pi_dmacpy_copy (uint32_t device_id, void *src, void *dst, uint32_t size, pi_dmacpy_dir_e dir, struct pi_task *task)

Variables
struct dmacpy_itf_data_s *	g_dmacpy_itf_data [UDMA_NB_DMACPY]
static uint32_t	max_size

Function Documentation

void __pi_dmacpy_close

(

uint32_t

device_id

)

References dmacpy_itf_data_s::device_id, hal_soc_eu_clear_fc_mask(), dmacpy_itf_data_s::nb_open, pi_fc_event_handler_clear(), pi_l2_free(), SOC_EVENT_UDMA_DMACPY_RX, and SOC_EVENT_UDMA_DMACPY_TX.

Referenced by pi_dmacpy_close().

void __pi_dmacpy_conf_init

(

struct pi_dmacpy_conf *

conf

)

Referenced by pi_dmacpy_conf_init().

int32_t __pi_dmacpy_copy	(	uint32_t	device_id,
		void *	src,
		void *	dst,
		uint32_t	size,
		pi_dmacpy_dir_e	dir,
		struct pi_task *	task
	)

References __pi_dmacpy_copy_exec(), __pi_dmacpy_task_fifo_enqueue(), dmacpy_itf_data_s::device_id, disable_irq(), DMACPY_TRACE, DMACPY_TRACE_ERR, and restore_irq().

Referenced by pi_dmacpy_copy_async().

static void __pi_dmacpy_copy_exec ( struct dmacpy_itf_data_s *  fifo, struct pi_task *  task  )

static

References dmacpy_itf_data_s::device_id, dmacpy, DMACPY_TRACE, hal_dmacpy_enqueue(), max_size, RX_CHANNEL, and TX_CHANNEL.

Referenced by __pi_dmacpy_copy(), and __pi_dmacpy_handler().

static void __pi_dmacpy_handler ( void *  arg )

static

References __pi_dmacpy_copy_exec(), __pi_dmacpy_task_fifo_pop(), __pi_irq_handle_end_of_task(), DMACPY_TRACE, dmacpy_itf_data_s::fifo_head, TX_CHANNEL, UDMA_CHANNEL_NB_EVENTS_LOG2, and UDMA_DMACPY_ID.

Referenced by __pi_dmacpy_open().

int32_t __pi_dmacpy_open	(	struct pi_dmacpy_conf *	conf,
		struct dmacpy_itf_data_s **	device_data
	)

References __pi_dmacpy_handler(), dmacpy_itf_data_s::device_id, dmacpy, DMACPY_TRACE, DMACPY_TRACE_ERR, dmacpy_itf_data_s::fifo_head, dmacpy_itf_data_s::fifo_tail, hal_soc_eu_set_fc_mask(), dmacpy_itf_data_s::nb_open, pi_fc_event_handler_set(), pi_l2_malloc(), SOC_EVENT_UDMA_DMACPY_RX, SOC_EVENT_UDMA_DMACPY_TX, udma_ctrl_cg_disable(), UDMA_DMACPY_ID, and UDMA_GC.

Referenced by pi_dmacpy_open().

static uint8_t __pi_dmacpy_task_fifo_enqueue ( struct dmacpy_itf_data_s *  fifo, struct pi_task *  task  )

static

References DMACPY_TRACE, dmacpy_itf_data_s::fifo_head, and dmacpy_itf_data_s::fifo_tail.

Referenced by __pi_dmacpy_copy().

static struct pi_task * __pi_dmacpy_task_fifo_pop ( struct dmacpy_itf_data_s *  fifo )

static

References dmacpy_itf_data_s::fifo_head, and dmacpy_itf_data_s::fifo_tail.

Referenced by __pi_dmacpy_handler().

Variable Documentation

struct dmacpy_itf_data_s* g_dmacpy_itf_data[UDMA_NB_DMACPY]

uint32_t max_size

static

Referenced by __pi_cpi_copy_exec(), __pi_cpi_handler(), __pi_dmacpy_copy_exec(), __pi_i2s_enqueue(), __pi_octospi_2d_copy_exec(), __pi_uart_copy_exec(), __pi_uart_handler(), and pi_udma_fifo_buffer_set().