udma_timestamp.c File Reference

Functions
static void	__pi_udma_timestamp_cnt_clr (uint8_t timestamp_id)
static void	__pi_udma_timestamp_cnt_stop (uint8_t timestamp_id)
static void	__pi_udma_timestamp_cnt_close ()
static void	__pi_udma_evt_cfg_init ()
static void	__pi_udma_timestamp_evt_cfg (uint8_t cfg_evt, uint32_t soc_evt)
static void	__pi_udma_timestamp_input_set (pi_timestamp_gpio_input_t *gpio)
pi_udma_timestamp_t *	pi_udma_timestamp_alloc ()
void	pi_udma_timestamp_free (pi_udma_timestamp_t *timestamp)
void	pi_timestamp_conf_init (struct pi_timestamp_conf *conf)
void	pi_udma_timestamp_open (struct pi_timestamp_conf *conf)
void	pi_udma_timestamp_close ()
int32_t	pi_udma_timestamp_ioctl (pi_udma_timestamp_t *timestamp, uint32_t cmd, void *arg)

Variables
static struct pi_udma_timestamp_cnt_s	timestamp_cnt
static struct pi_udma_timestamp_s *	timestamp_ptr [UDMA_NB_TIMESTAMP_EVT]

Function Documentation

static void __pi_udma_evt_cfg_init ( )

static

References hal_udma_ctrl_cfg_event_evt0_set(), hal_udma_ctrl_cfg_event_evt1_set(), hal_udma_ctrl_cfg_event_evt2_set(), and hal_udma_ctrl_cfg_event_evt3_set().

Referenced by pi_udma_timestamp_close(), and pi_udma_timestamp_open().

static void __pi_udma_timestamp_cnt_close ( )

static

References __pi_udma_timestamp_cnt_stop(), pi_udma_timestamp_cnt_s::cnt_en, pi_udma_timestamp_cnt_s::cnt_trig_gpio, pi_udma_timestamp_cnt_s::device_id, hal_timestamp_clk_gpio_sel(), hal_timestamp_clk_mux_set(), hal_timestamp_clk_prescaler_set(), hal_timestamp_clk_pwm_sel(), hal_timestamp_cnt_ext_en_set(), hal_timestamp_cnt_ext_sel_set(), hal_timestamp_cnt_ext_type_set(), and memset().

Referenced by pi_udma_timestamp_close().

static void __pi_udma_timestamp_cnt_clr ( uint8_t  timestamp_id )

static

References hal_timestamp_cnt_clr_set().

Referenced by pi_udma_timestamp_ioctl().

static void __pi_udma_timestamp_cnt_stop ( uint8_t  timestamp_id )

static

References hal_timestamp_cnt_stop_set().

Referenced by __pi_udma_timestamp_cnt_close(), and pi_udma_timestamp_ioctl().

static void __pi_udma_timestamp_evt_cfg ( uint8_t  cfg_evt, uint32_t  soc_evt  )

static

References hal_soc_eu_set_pr_mask(), hal_udma_ctrl_cfg_event_evt0_set(), hal_udma_ctrl_cfg_event_evt1_set(), hal_udma_ctrl_cfg_event_evt2_set(), hal_udma_ctrl_cfg_event_evt3_set(), and TIMESTAMP_TRACE_ERR.

Referenced by pi_udma_timestamp_ioctl().

static void __pi_udma_timestamp_input_set ( pi_timestamp_gpio_input_t *  gpio )

static

References pi_udma_timestamp_cnt_s::device_id, hal_timestamp_input_en_ch0_set(), hal_timestamp_input_en_ch1_set(), hal_timestamp_input_en_ch2_set(), hal_timestamp_input_en_ch3_set(), hal_timestamp_input_en_ch4_set(), hal_timestamp_input_en_ch5_set(), hal_timestamp_input_en_ch6_set(), hal_timestamp_input_en_ch7_set(), hal_timestamp_input_sel_ch0_set(), hal_timestamp_input_sel_ch1_set(), hal_timestamp_input_sel_ch2_set(), hal_timestamp_input_sel_ch3_set(), hal_timestamp_input_sel_ch4_set(), hal_timestamp_input_sel_ch5_set(), hal_timestamp_input_sel_ch6_set(), hal_timestamp_input_sel_ch7_set(), hal_timestamp_input_type_ch0_set(), hal_timestamp_input_type_ch1_set(), hal_timestamp_input_type_ch2_set(), hal_timestamp_input_type_ch3_set(), hal_timestamp_input_type_ch4_set(), hal_timestamp_input_type_ch5_set(), hal_timestamp_input_type_ch6_set(), hal_timestamp_input_type_ch7_set(), and TIMESTAMP_TRACE_ERR.

Referenced by pi_udma_timestamp_ioctl().

void pi_timestamp_conf_init

(

struct pi_timestamp_conf *

conf

)

pi_udma_timestamp_t* pi_udma_timestamp_alloc

(

)

References pi_udma_timestamp_s::event_id, pi_udma_timestamp_s::fifo_id, pi_fc_l1_malloc(), pi_udma_timestamp_s::reserved, pi_udma_timestamp_s::soc_event, pi_udma_timestamp_s::timestamp_ch, timestamp_cnt, TIMESTAMP_TRACE, TIMESTAMP_TRACE_ERR, and UDMA_NB_TIMESTAMP_EVT.

void pi_udma_timestamp_close

(

)

References __pi_udma_evt_cfg_init(), __pi_udma_timestamp_cnt_close(), hal_soc_eu_clear_pr_mask(), hal_udma_ctrl_cg_enable(), hal_udma_ctrl_reset_clear(), pi_fc_l1_free(), UDMA_NB_TIMESTAMP_EVT, and UDMA_TIMESTAMP_ID.

void pi_udma_timestamp_free

(

pi_udma_timestamp_t *

timestamp

)

References pi_udma_timestamp_s::fifo_id, hal_soc_eu_clear_pr_mask(), pi_fc_l1_free(), pi_udma_timestamp_s::reserved, and pi_udma_timestamp_s::soc_event.

int32_t pi_udma_timestamp_ioctl	(	pi_udma_timestamp_t *	timestamp,
		uint32_t	cmd,
		void *	arg
	)

References __pi_udma_timestamp_cnt_clr(), __pi_udma_timestamp_cnt_stop(), __pi_udma_timestamp_evt_cfg(), __pi_udma_timestamp_input_set(), gpio, hal_timestamp_rx_dest_set(), and TIMESTAMP_TRACE_ERR.

Referenced by __pi_i2s_timestamp_enable().

void pi_udma_timestamp_open

(

struct pi_timestamp_conf *

conf

)

References __pi_udma_evt_cfg_init(), pi_udma_timestamp_cnt_s::cnt_en, pi_udma_timestamp_cnt_s::cnt_src, pi_udma_timestamp_cnt_s::cnt_src_id, pi_udma_timestamp_cnt_s::cnt_trig_gpio, pi_udma_timestamp_cnt_s::cnt_trig_type, pi_udma_timestamp_cnt_s::device_id, hal_timestamp_clk_gpio_sel(), hal_timestamp_clk_mux_set(), hal_timestamp_clk_prescaler_set(), hal_timestamp_clk_pwm_sel(), hal_timestamp_cnt_ext_en_set(), hal_timestamp_cnt_ext_sel_set(), hal_timestamp_cnt_ext_type_set(), hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_set(), pi_udma_timestamp_cnt_s::prescaler, TIMESTAMP_TRACE, and UDMA_TIMESTAMP_ID.

Variable Documentation

struct pi_udma_timestamp_cnt_s timestamp_cnt

static

Referenced by pi_udma_timestamp_alloc().

struct pi_udma_timestamp_s* timestamp_ptr[UDMA_NB_TIMESTAMP_EVT]

static