ffc.c File Reference

Data Structures
struct	pi_ffc_data_t
struct	pi_ffc_itf_data_t

Functions
static uint32_t	__ffc_compute_udma_lin_shift (uint8_t is_rx, pi_ffc_mode_e mode, pi_ffc_float_type_e fl_type, pi_ffc_fixed_type_e fp_type)
static void	__ffc_drv_fifo_enqueue (pi_ffc_itf_data_t *itf_data, pi_task_t *pi_task)
static pi_task_t *	__ffc_drv_fifo_pop (pi_ffc_itf_data_t *itf_data)
static void	__pi_ffc_conf_apply (pi_ffc_itf_data_t *itf_data)
static void	__pi_ffc_conversion_start (pi_ffc_itf_data_t *itf_data)
static void	__pi_ffc_null_handler (void *arg)
static void	__pi_ffc_event_handler (void *arg)
void	pi_ffc_conf_init (pi_ffc_conf_t *conf)
int	pi_ffc_open (pi_device_t *device)
void	pi_ffc_close (pi_device_t *device)
void	pi_ffc_ioctl (pi_device_t *device, uint32_t cmd, void *arg)
void	pi_ffc_convert (pi_device_t *device, void *src, void *dst, uint16_t size)
void	pi_ffc_convert_async (pi_device_t *device, void *src, void *dst, uint16_t size, pi_task_t *task)

Variables
static pi_ffc_itf_data_t *	g_ffc_itf_data [UDMA_NB_FFC]

Function Documentation

static uint32_t __ffc_compute_udma_lin_shift ( uint8_t  is_rx, pi_ffc_mode_e  mode, pi_ffc_float_type_e  fl_type, pi_ffc_fixed_type_e  fp_type  )

inlinestatic

Referenced by __pi_ffc_conversion_start().

static void __ffc_drv_fifo_enqueue ( pi_ffc_itf_data_t *  itf_data, pi_task_t *  pi_task  )

inlinestatic

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

Referenced by pi_ffc_convert_async().

static pi_task_t* __ffc_drv_fifo_pop ( pi_ffc_itf_data_t *  itf_data )

inlinestatic

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

Referenced by __pi_ffc_event_handler().

static void __pi_ffc_conf_apply ( pi_ffc_itf_data_t *  itf_data )

static

References pi_task_t::data, pi_ffc_itf_data_t::device_id, pi_ffc_itf_data_t::end_task, pi_ffc_data_t::fixed_precision, pi_ffc_data_t::fixed_scale, pi_ffc_data_t::fixed_type, pi_ffc_data_t::float_type, pi_ffc_itf_data_t::latest_conf, pi_ffc_data_t::mode, pi_ffc_itf_data_t::rx_chan_id, pi_ffc_itf_data_t::tx_chan_id, udma_ffc, udma_ffc_fl_format_set(), udma_ffc_fp_format_set(), udma_ffc_fp_prec_set(), udma_ffc_fp_scale_set(), udma_ffc_mode_set(), udma_ffc_rx_dest_set(), and udma_ffc_tx_dest_set().

Referenced by __pi_ffc_conversion_start().

static void __pi_ffc_conversion_start ( pi_ffc_itf_data_t *  itf_data )

static

References __ffc_compute_udma_lin_shift(), __pi_ffc_conf_apply(), pi_task_t::data, pi_ffc_itf_data_t::device_id, pi_ffc_itf_data_t::end_task, pi_ffc_data_t::fixed_type, pi_ffc_data_t::float_type, hal_udma_core_lin_enqueue(), hal_udma_core_lin_get(), pi_ffc_data_t::mode, udma_ffc, udma_ffc_conv_num_set(), udma_ffc_rx_dest_get(), udma_ffc_start_set(), and udma_ffc_tx_dest_get().

Referenced by __pi_ffc_event_handler(), and pi_ffc_convert_async().

static void __pi_ffc_event_handler ( void *  arg )

static

References __ffc_drv_fifo_pop(), __pi_ffc_conversion_start(), __pi_irq_handle_end_of_task(), pi_ffc_itf_data_t::device_id, pi_ffc_itf_data_t::end_task, udma_ffc, and udma_ffc_start_set().

Referenced by pi_ffc_open().

static void __pi_ffc_null_handler ( void *  arg )

static

Referenced by pi_ffc_open().

void pi_ffc_close

(

pi_device_t *

device

)

References hal_soc_eu_clear_fc_mask(), hal_udma_core_lin_get(), hal_udma_core_lin_reset(), hal_udma_ctrl_cg_enable(), hal_udma_ctrl_reset_enable(), pi_ffc_data_t::itf_data, pi_fc_l1_free(), pi_udma_core_lin_free(), SOC_EVENT_UDMA_CHAN_LIN, and UDMA_FFC_ID.

void pi_ffc_conf_init

(

pi_ffc_conf_t *

conf

)

void pi_ffc_convert	(	pi_device_t *	device,
		void *	src,
		void *	dst,
		uint16_t	size
	)

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

void pi_ffc_convert_async	(	pi_device_t *	device,
		void *	src,
		void *	dst,
		uint16_t	size,
		pi_task_t *	task
	)

References __ffc_drv_fifo_enqueue(), __pi_ffc_conversion_start(), pi_task_t::data, disable_irq(), pi_ffc_itf_data_t::end_task, pi_ffc_data_t::itf_data, and restore_irq().

Referenced by pi_ffc_convert().

void pi_ffc_ioctl	(	pi_device_t *	device,
		uint32_t	cmd,
		void *	arg
	)

int pi_ffc_open

(

pi_device_t *

device

)

References __pi_ffc_event_handler(), __pi_ffc_null_handler(), pi_ffc_data_t::fixed_precision, pi_ffc_data_t::fixed_scale, pi_ffc_data_t::fixed_type, pi_ffc_data_t::float_type, hal_soc_eu_set_fc_mask(), hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_disable(), pi_ffc_data_t::itf_data, pi_ffc_data_t::mode, pi_fc_l1_free(), pi_fc_l1_malloc(), pi_udma_core_lin_alloc(), SOC_EVENT_UDMA_CHAN_LIN, and UDMA_FFC_ID.

Variable Documentation

pi_ffc_itf_data_t* g_ffc_itf_data[UDMA_NB_FFC]

static