gap9/pmsis/drivers/udma/hyperbus/hyperbus_internal.c File Reference

Functions
static void	__pi_hyper_handler (void *arg)
static void	__pi_hyper_handle_pending_transfer (struct hyper_driver_fifo_s *fifo)
static void	__pi_hyper_handle_end_of_task (struct pi_task *task)
static uint32_t	__pi_hyper_task_fifo_enqueue (struct hyper_driver_fifo_s *fifo, struct pi_task *task)
static struct pi_task *	__pi_hyper_task_fifo_pop (struct hyper_driver_fifo_s *fifo)
static void	__pi_hyper_copy_exec (struct hyper_driver_fifo_s *fifo, struct pi_task *task)
static void	__pi_hyper_copy_2d_exec (struct hyper_driver_fifo_s *fifo, struct pi_task *task)
static void	__pi_hyper_settings (struct hyper_driver_conf_s *conf, uint8_t hyper_type)
void	__pi_hyper_handler_irq (void *arg)
static uint8_t	__pi_hyper_clk_div_get (uint32_t baudrate)
void	__pi_hyper_conf_init (struct pi_hyper_conf *conf)
	Init hyperbus configuration structure. More...
int32_t	__pi_hyper_open (struct pi_hyper_conf *conf, struct hyper_driver_conf_s **driver_conf)
	Open hyperbus device. More...
void	__pi_hyper_close (struct hyper_driver_conf_s *conf)
	Close hyperbus device. More...
void	__pi_hyper_copy_2d (struct hyper_driver_conf_s *conf, struct hyper_transfer_s *transfer, struct pi_task *task)
	Enqueue 2D transfer. More...
int32_t	__pi_hyper_ioctl (struct hyper_driver_conf_s *conf, uint32_t cmd, void *arg)

Variables
struct hyper_driver_fifo_s *	g_hyper_driver_fifo [UDMA_NB_HYPER]

Function Documentation

static uint8_t __pi_hyper_clk_div_get ( uint32_t  baudrate )

inlinestatic

References HYPER_TRACE, and pi_freq_get().

Referenced by __pi_hyper_open().

void __pi_hyper_close

(

struct hyper_driver_conf_s *

conf

)

Parameters

conf	Pointer to internal hyperbus conf.

References hyper_driver_fifo_s::chan_id_rx, hyper_driver_fifo_s::chan_id_tx, hyper_driver_conf_s::device_id, hal_udma_core_2d_get(), hal_udma_core_2d_reset(), hal_udma_ctrl_cg_enable(), hal_udma_ctrl_reset_clear(), hal_udma_hyperbus_rx_dest_set(), hal_udma_hyperbus_tx_dest_set(), HYPER_TRACE, hyper_driver_fifo_s::nb_open, pi_fc_l1_free(), pi_udma_core_2d_free(), UDMA_CHAN_2D_ID, and UDMA_HYPER_ID.

Referenced by pi_hyper_close().

void __pi_hyper_conf_init

(

struct pi_hyper_conf *

conf

)

Parameters

conf	Pointer to hyperbus conf.

Referenced by pi_hyper_conf_init().

void __pi_hyper_copy_2d	(	struct hyper_driver_conf_s *	conf,
		struct hyper_transfer_s *	transfer,
		struct pi_task *	task
	)

Parameters

conf	Pointer to driver config struct.
transfer	Pointer to transfer struct.
task	Event task attached to the transfer.

References __pi_hyper_copy_2d_exec(), __pi_hyper_task_fifo_enqueue(), hyper_transfer_s::buffer, hyper_transfer_s::channel, hyper_transfer_s::device_id, hyper_transfer_s::hyper_addr, HYPER_TRACE, hyper_transfer_s::length, RX_CHANNEL, hyper_transfer_s::size, and hyper_transfer_s::stride.

static void __pi_hyper_copy_2d_exec ( struct hyper_driver_fifo_s *  fifo, struct pi_task *  task  )

static

References hyper_driver_conf_s::burst_cfg, hyper_driver_conf_s::clk_div, hyper_driver_fifo_s::device_id, hal_udma_hyperbus_transfer_2d_auto(), HYPER_2D_MODE_1D_1D, HYPER_2D_MODE_1D_2D, HYPER_TRACE, udma_hyper, and UDMA_HYPER_BURST_ENABLE_2D_MODE.

Referenced by __pi_hyper_copy_2d(), and __pi_hyper_handler_irq().

static void __pi_hyper_copy_exec ( struct hyper_driver_fifo_s *  fifo, struct pi_task *  task  )

static

static void __pi_hyper_handle_end_of_task ( struct pi_task *  task )

static

static void __pi_hyper_handle_pending_transfer ( struct hyper_driver_fifo_s *  fifo )

static

static void __pi_hyper_handler ( void *  arg )

static

References hyper_driver_fifo_s::device_id, and HYPER_TRACE.

Referenced by __pi_hyper_open().

void __pi_hyper_handler_irq

(

void *

arg

)

References __pi_hyper_copy_2d_exec(), __pi_hyper_task_fifo_pop(), __pi_irq_handle_end_of_task(), hyper_driver_fifo_s::device_id, hyper_driver_fifo_s::fifo_head, hal_udma_hyperbus_status_get(), and HYPER_TRACE.

int32_t __pi_hyper_ioctl	(	struct hyper_driver_conf_s *	conf,
		uint32_t	cmd,
		void *	arg
	)

References hyper_driver_conf_s::device_id, and HYPER_TRACE_ERR.

Referenced by pi_hyper_ioctl().

int32_t __pi_hyper_open	(	struct pi_hyper_conf *	conf,
		struct hyper_driver_conf_s **	driver_conf
	)

Parameters

conf	Pointer to hyperbus conf.
driver_conf	Pointer to internal hyperbus conf pointer.

Return values

0	Operation is successful.
ERRNO	Error code.

References __pi_hyper_clk_div_get(), __pi_hyper_handler(), __pi_hyper_settings(), hyper_driver_conf_s::burst_cfg, hyper_driver_conf_s::burst_size, hyper_driver_fifo_s::chan_id_rx, hyper_driver_fifo_s::chan_id_tx, hyper_driver_conf_s::clk_div, hyper_driver_conf_s::cs, hyper_driver_fifo_s::device_id, hyper_driver_conf_s::device_id, FC_IRQ_HYPER_0_EOT_IRQ, FC_IRQ_HYPER_1_EOT_IRQ, hyper_driver_fifo_s::fifo_head, hyper_driver_fifo_s::fifo_tail, hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_set(), hal_udma_hyperbus_burst_cfg_set(), hal_udma_hyperbus_clk_div_set(), hal_udma_hyperbus_irq_enable(), hal_udma_hyperbus_rx_dest_set(), hal_udma_hyperbus_transfert_mode_set(), hal_udma_hyperbus_tx_dest_set(), HYPER_BURST_2D_ENABLE, HYPER_MODE_AUTO_ENABLE, HYPER_TRACE, HYPER_TRACE_ERR, hyper_driver_conf_s::hyper_type, HYPERRAM, hyper_driver_fifo_s::nb_open, NVIC_EnableIRQ, pi_fc_l1_free(), pi_fc_l1_malloc(), pi_freq_get(), pi_udma_core_2d_alloc(), pi_udma_core_2d_free(), UDMA_CHAN_LIN, udma_ctrl, udma_hyper, UDMA_HYPER_BURST_ENABLE_2D_ENABLE, UDMA_HYPER_BURST_ENABLE_CS0_AUTO_BURST_ENABLE, UDMA_HYPER_BURST_ENABLE_CS0_MAXIMUM_CHECK_ENABLE, UDMA_HYPER_BURST_ENABLE_CS1_AUTO_BURST_ENABLE, UDMA_HYPER_BURST_ENABLE_CS1_MAXIMUM_CHECK_ENABLE, and UDMA_HYPER_ID.

Referenced by pi_hyper_open().

static void __pi_hyper_settings ( struct hyper_driver_conf_s *  conf, uint8_t  hyper_type  )

static

References hyper_driver_conf_s::burst_size, hyper_driver_conf_s::device_id, FLASH_ADDR, hal_udma_hyperbus_device_type_set(), hal_udma_hyperbus_mba0_set(), hal_udma_hyperbus_mba1_set(), hal_udma_hyperbus_timing_set(), HYPER_TRACE, HYPERFLASH, HYPERRAM, RAM_ADDR, TYPE_HYPERBUS, udma_hyper, udma_hyper_device_get(), udma_hyper_mba0_get(), udma_hyper_mba1_get(), and udma_hyper_timing_cfg_get().

static uint32_t __pi_hyper_task_fifo_enqueue ( struct hyper_driver_fifo_s *  fifo, struct pi_task *  task  )

static

References hyper_driver_fifo_s::fifo_head, and hyper_driver_fifo_s::fifo_tail.

Referenced by __pi_hyper_copy_2d().

static struct pi_task * __pi_hyper_task_fifo_pop ( struct hyper_driver_fifo_s *  fifo )

static

References hyper_driver_fifo_s::device_id, hyper_driver_fifo_s::fifo_head, hyper_driver_fifo_s::fifo_tail, and HYPER_TRACE.

Referenced by __pi_hyper_handler_irq().

Variable Documentation

struct hyper_driver_fifo_s* g_hyper_driver_fifo[UDMA_NB_HYPER]