udma_datamove.c File Reference

Data Structures
struct	pi_udma_datamove_data_t
struct	pi_udma_datamove_itf_data_t

Macros
#define	DM_NB_DATAMOVES

Functions
static void	__udma_datamove_drv_fifo_enqueue (pi_udma_datamove_itf_data_t *itf_data, pi_task_t *pi_task)
static pi_task_t *	__udma_datamove_drv_fifo_pop (pi_udma_datamove_itf_data_t *itf_data)
static void	__pi_udma_datamove_copy_start (pi_udma_datamove_itf_data_t *itf_data)
static void	__pi_udma_datamove_null_handler (void *arg)
static void	__pi_udma_datamove_event_handler (void *arg)
void	pi_udma_datamove_conf_init (pi_udma_datamove_conf_t *conf)
int	pi_udma_datamove_open (pi_device_t *device)
void	pi_udma_datamove_close (pi_device_t *device)
int32_t	pi_udma_datamove_copy_async (pi_device_t *device, void *src, void *dst, uint32_t len, pi_task_t *task)
int32_t	pi_udma_datamove_copy (pi_device_t *device, void *src, void *dst, uint32_t len)

Variables
static pi_udma_datamove_itf_data_t *	g_udma_datamove_itf_data [DM_NB_DATAMOVES]

Macro Definition Documentation

#define DM_NB_DATAMOVES

Referenced by pi_udma_datamove_open().

Function Documentation

static void __pi_udma_datamove_copy_start ( pi_udma_datamove_itf_data_t *  itf_data )

inlinestatic

References pi_task_t::data, pi_udma_datamove_itf_data_t::device_id, pi_udma_datamove_data_t::dst_trf_cfg, pi_udma_datamove_itf_data_t::end_task, hal_udma_core_2d_enqueue(), hal_udma_core_2d_get(), hal_udma_core_lin_enqueue(), hal_udma_core_lin_get(), hal_udma_ctrl_datamove0_cfg_set_ids(), hal_udma_ctrl_datamove0_enable(), hal_udma_ctrl_datamove1_cfg_set_ids(), hal_udma_ctrl_datamove1_enable(), pi_udma_datamove_itf_data_t::rx_2d_chan_id, pi_udma_datamove_itf_data_t::rx_lin_chan_id, pi_udma_datamove_data_t::src_trf_cfg, pi_udma_datamove_itf_data_t::tx_2d_chan_id, pi_udma_datamove_itf_data_t::tx_lin_chan_id, and UDMA_NB_CHAN_LIN.

Referenced by __pi_udma_datamove_event_handler(), and pi_udma_datamove_copy_async().

static void __pi_udma_datamove_event_handler ( void *  arg )

static

References __pi_irq_handle_end_of_task(), __pi_udma_datamove_copy_start(), __udma_datamove_drv_fifo_pop(), pi_udma_datamove_itf_data_t::device_id, pi_udma_datamove_itf_data_t::end_task, hal_udma_ctrl_datamove0_stop(), and hal_udma_ctrl_datamove1_stop().

Referenced by pi_udma_datamove_open().

static void __pi_udma_datamove_null_handler ( void *  arg )

static

Referenced by pi_udma_datamove_open().

static void __udma_datamove_drv_fifo_enqueue ( pi_udma_datamove_itf_data_t *  itf_data, pi_task_t *  pi_task  )

inlinestatic

References pi_udma_datamove_itf_data_t::fifo_head, pi_udma_datamove_itf_data_t::fifo_tail, and pi_task_t::next.

Referenced by pi_udma_datamove_copy_async().

static pi_task_t* __udma_datamove_drv_fifo_pop ( pi_udma_datamove_itf_data_t *  itf_data )

inlinestatic

References pi_udma_datamove_itf_data_t::fifo_head, pi_udma_datamove_itf_data_t::fifo_tail, hal_compiler_barrier(), and pi_task_t::next.

Referenced by __pi_udma_datamove_event_handler().

void pi_udma_datamove_close

(

pi_device_t *

device

)

References hal_soc_eu_clear_fc_mask(), pi_udma_datamove_data_t::itf_data, pi_fc_l1_free(), pi_udma_core_2d_free(), pi_udma_core_lin_free(), SOC_EVENT_UDMA_CHAN_2D, SOC_EVENT_UDMA_CHAN_LIN, and UDMA_NB_CHAN_LIN.

Referenced by pi_dmacpy_close().

void pi_udma_datamove_conf_init

(

pi_udma_datamove_conf_t *

conf

)

Referenced by pi_dmacpy_open().

int32_t pi_udma_datamove_copy	(	pi_device_t *	device,
		void *	src,
		void *	dst,
		uint32_t	len
	)

References pi_task_block(), pi_task_destroy(), pi_task_wait_on(), and pi_udma_datamove_copy_async().

int32_t pi_udma_datamove_copy_async	(	pi_device_t *	device,
		void *	src,
		void *	dst,
		uint32_t	len,
		pi_task_t *	task
	)

References __pi_udma_datamove_copy_start(), __udma_datamove_drv_fifo_enqueue(), pi_task_t::data, disable_irq(), pi_udma_datamove_itf_data_t::end_task, pi_udma_datamove_data_t::itf_data, and restore_irq().

Referenced by pi_dmacpy_copy_async(), and pi_udma_datamove_copy().

int pi_udma_datamove_open

(

pi_device_t *

device

)

References __pi_udma_datamove_event_handler(), __pi_udma_datamove_null_handler(), pi_udma_datamove_itf_data_t::device_id, DM_NB_DATAMOVES, pi_udma_datamove_data_t::dst_trf_cfg, pi_udma_datamove_itf_data_t::end_task, pi_udma_datamove_itf_data_t::fifo_head, pi_udma_datamove_itf_data_t::fifo_tail, hal_soc_eu_clear_fc_mask(), hal_soc_eu_set_fc_mask(), pi_udma_datamove_data_t::itf_data, pi_udma_datamove_itf_data_t::nb_open, pi_fc_l1_free(), pi_fc_l1_malloc(), pi_udma_core_2d_alloc(), pi_udma_core_2d_free(), pi_udma_core_lin_alloc(), pi_udma_core_lin_free(), pi_udma_datamove_itf_data_t::rx_2d_chan_id, pi_udma_datamove_itf_data_t::rx_lin_chan_id, SOC_EVENT_UDMA_CHAN_2D, SOC_EVENT_UDMA_CHAN_LIN, pi_udma_datamove_data_t::src_trf_cfg, pi_udma_datamove_itf_data_t::tx_2d_chan_id, pi_udma_datamove_itf_data_t::tx_lin_chan_id, and UDMA_NB_CHAN_LIN.

Referenced by pi_dmacpy_open().

Variable Documentation

pi_udma_datamove_itf_data_t* g_udma_datamove_itf_data[DM_NB_DATAMOVES]

static