gap9/pmsis/include/pmsis/implem/drivers/udma/i2c/i2c_internal.h File Reference

Data Structures
struct	i2c_slave_data
struct	i2c_itf_data

Macros
#define	I2C_DRIVER_DATA_IMPLEM_SPECIFC
#define	i2c_req_t
	UART request structure. More...
#define	I2C_READ
#define	I2C_WRITE
#define	I2C_WRITE_READ
#define	I2C_WRITE_DUAL
#define	CMD_BUF_SIZE
#define	I2C_WRITE_BUF_SIZE
#define	I2C_READ_BUF_SIZE
#define	I2C_W_R_BUF_SIZE
#define	I2C_BUF_START_POS
#define	I2C_BUF_WRITE_RPT_POS
#define	I2C_W_R_BUF_WR_POS
#define	I2C_W_R_BUF_RESTART_POS
#define	RD_BUF_RPT(bits)
#define	W_R_BUF_RD(bits)
#define	RD_BUF_STOP_ID(bits)
#define	WR_BUF_STOP_ID
#define	I2C_SLAVE_GET_ITF(slave)

Typedefs
typedef uint32_t	i2c_cmd_t

Functions
int	__pi_i2c_open (struct i2c_slave_data **slave_data, struct pi_i2c_conf *conf)
void	__pi_i2c_close (struct i2c_slave_data *slave_data)
void	__pi_i2c_ioctl (struct i2c_slave_data *slave_data, uint32_t cmd, void *arg)
static void	__i2c_drv_fifo_enqueue (struct i2c_itf_data *data, pi_task_t *pi_task)
static pi_task_t *	__i2c_drv_fifo_pop (struct i2c_itf_data *data)
static struct i2c_slave_data *	___i2c_drv_get_slave (struct i2c_itf_data *itf_data, uint16_t slave_addr, uint8_t ref_cnt)
static void	__i2c_drv_add_slave (struct i2c_itf_data *itf_data, struct i2c_slave_data *slave_data)
static void	__i2c_drv_remove_slave (struct i2c_itf_data *itf_data, struct i2c_slave_data *slave_data)
static uint32_t	__i2c_prepare_timing (uint32_t max_baudrate, uint32_t periph_clock)
static void *	__i2c_prepare_read_cmd_buffer (uint16_t slave_addr, void *cmd_buf, uint32_t read_size, void *read_buf, int *buf_size_out, pi_i2c_xfer_flags_e flags, int8_t bits)
static void *	__i2c_prepare_write_cmd_buffer (uint16_t slave_addr, void *cmd_buf, uint32_t write_size, void *write_buf, int *buf_size_out, pi_i2c_xfer_flags_e flags)
void	__pi_i2c_timeout_abort (void *arg)
static void	__pi_i2c_timeout_config_set (pi_task_t *task, uint8_t timeout_id, uint8_t udma_chan_id, uint32_t timeout_us, pi_callback_func_t abort_func, void *arg)
static void	__pi_i2c_read (struct i2c_slave_data *slave_data, void *buffer, uint32_t size, pi_i2c_xfer_flags_e flags, pi_task_t *callback)
static void	__pi_i2c_write (struct i2c_slave_data *slave_data, void *buffer, uint32_t size, pi_i2c_xfer_flags_e flags, pi_task_t *callback)
static void	__pi_i2c_write_read (struct i2c_slave_data *slave_data, void *tx_buffer, void *rx_buffer, uint32_t tx_size, uint32_t rx_size, pi_task_t *callback)
static void	__pi_i2c_write_dual (struct i2c_slave_data *slave_data, void *tx_buffer0, void *tx_buffer1, uint32_t tx_size0, uint32_t tx_size1, pi_task_t *callback)

Macro Definition Documentation

#define CMD_BUF_SIZE

#define I2C_BUF_START_POS

Referenced by __i2c_open_prepare_read_buf(), __i2c_open_prepare_write_buf(), __i2c_prepare_read_cmd_buffer(), __i2c_prepare_write_cmd_buffer(), and __pi_i2c_write_dual().

#define I2C_BUF_WRITE_RPT_POS

Referenced by __pi_i2c_write_dual().

#define I2C_DRIVER_DATA_IMPLEM_SPECIFC

#define I2C_READ

Referenced by __pi_i2c_read(), and __pi_i2c_send_request_from_irq().

#define I2C_READ_BUF_SIZE

Referenced by __i2c_prepare_read_cmd_buffer().

#define i2c_req_t

#define I2C_SLAVE_GET_ITF

(

slave

)

#define I2C_W_R_BUF_RESTART_POS

Referenced by __i2c_open_prepare_w_r_buf().

#define I2C_W_R_BUF_SIZE

Referenced by __pi_i2c_write_read().

#define I2C_W_R_BUF_WR_POS

Referenced by __i2c_open_prepare_w_r_buf(), and __pi_i2c_write_read().

#define I2C_WRITE

Referenced by __pi_i2c_send_request_from_irq(), and __pi_i2c_write().

#define I2C_WRITE_BUF_SIZE

Referenced by __i2c_prepare_write_cmd_buffer(), and __pi_i2c_write_dual().

#define I2C_WRITE_DUAL

Referenced by __pi_i2c_send_request_from_irq(), and __pi_i2c_write_dual().

#define I2C_WRITE_READ

Referenced by __pi_i2c_send_request_from_irq(), and __pi_i2c_write_read().

#define RD_BUF_RPT

(

bits

)

Referenced by __i2c_open_prepare_read_buf(), and __i2c_prepare_read_cmd_buffer().

#define RD_BUF_STOP_ID

(

bits

)

Referenced by __i2c_open_prepare_read_buf(), and __i2c_prepare_read_cmd_buffer().

#define W_R_BUF_RD

(

bits

)

Referenced by __i2c_open_prepare_w_r_buf(), and __pi_i2c_write_read().

#define WR_BUF_STOP_ID

Referenced by __i2c_open_prepare_write_buf(), __i2c_prepare_write_cmd_buffer(), and __pi_i2c_write_dual().

Typedef Documentation

typedef uint32_t i2c_cmd_t

Function Documentation

static struct i2c_slave_data* ___i2c_drv_get_slave ( struct i2c_itf_data *  itf_data, uint16_t  slave_addr, uint8_t  ref_cnt  )

static

References i2c_slave_data::next, i2c_slave_data::ref_cnt, i2c_slave_data::slave_addr, and i2c_itf_data::slave_list.

Referenced by __pi_i2c_open().

static void __i2c_drv_add_slave ( struct i2c_itf_data *  itf_data, struct i2c_slave_data *  slave_data  )

inlinestatic

References i2c_slave_data::next, and i2c_itf_data::slave_list.

Referenced by __pi_i2c_open().

static void __i2c_drv_fifo_enqueue ( struct i2c_itf_data *  data, pi_task_t *  pi_task  )

inlinestatic

References i2c_itf_data::fifo_head, i2c_itf_data::fifo_tail, and pi_task_t::next.

Referenced by __pi_i2c_read(), __pi_i2c_write(), __pi_i2c_write_dual(), and __pi_i2c_write_read().

static pi_task_t* __i2c_drv_fifo_pop ( struct i2c_itf_data *  data )

inlinestatic

References i2c_itf_data::fifo_head, i2c_itf_data::fifo_tail, hal_compiler_barrier(), and pi_task_t::next.

Referenced by __pi_i2c_timeout_abort().

static void __i2c_drv_remove_slave ( struct i2c_itf_data *  itf_data, struct i2c_slave_data *  slave_data  )

inlinestatic

References i2c_slave_data::next, i2c_slave_data::slave_addr, and i2c_itf_data::slave_list.

Referenced by __pi_i2c_close().

static void* __i2c_prepare_read_cmd_buffer ( uint16_t  slave_addr, void *  cmd_buf, uint32_t  read_size, void *  read_buf, int *  buf_size_out, pi_i2c_xfer_flags_e  flags, int8_t  bits  )

inlinestatic

References I2C_BUF_START_POS, I2C_CMD_LEAD_START, I2C_CMD_NOP, I2C_CMD_RPT, I2C_CMD_STOP, I2C_READ_BUF_SIZE, RD_BUF_RPT, and RD_BUF_STOP_ID.

Referenced by __pi_i2c_read(), and __pi_i2c_send_request_from_irq().

static uint32_t __i2c_prepare_timing ( uint32_t  max_baudrate, uint32_t  periph_clock  )

inlinestatic

References I2C_CMD_TIMING, PI_I2C_FAST_MODE, and PI_I2C_STD_MODE.

Referenced by __pi_i2c_open(), and __pi_i2c_slave_open().

static void* __i2c_prepare_write_cmd_buffer ( uint16_t  slave_addr, void *  cmd_buf, uint32_t  write_size, void *  write_buf, int *  buf_size_out, pi_i2c_xfer_flags_e  flags  )

inlinestatic

References I2C_BUF_START_POS, I2C_CMD_LEAD_START, I2C_CMD_NOP, I2C_CMD_RPT, I2C_CMD_STOP, I2C_WRITE_BUF_SIZE, and WR_BUF_STOP_ID.

Referenced by __pi_i2c_send_request_from_irq(), and __pi_i2c_write().

void __pi_i2c_close

(

struct i2c_slave_data *

slave_data

)

References __i2c_drv_remove_slave(), i2c_itf_data::cmd_chan_id, disable_irq(), 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(), I2C_TRACE, i2c_itf_data::id, i2c_slave_data::itf_data, i2c_itf_data::open_nb, pi_data_free, pi_udma_core_lin_free(), i2c_slave_data::ref_cnt, restore_irq(), i2c_itf_data::rx_chan_id, SOC_EVENT_UDMA_CHAN_LIN, SOC_EVENT_UDMA_I2C_LEAD_EVT, i2c_itf_data::tx_chan_id, and UDMA_I2C_ID.

void __pi_i2c_ioctl	(	struct i2c_slave_data *	slave_data,
		uint32_t	cmd,
		void *	arg
	)

References __pi_i2c_baudrate_set(), __pi_i2c_timeout_abort(), __pi_i2c_udma_timeout_rx_set(), __pi_i2c_udma_timeout_tx_set(), disable_irq(), i2c_slave_data::itf_data, and restore_irq().

int __pi_i2c_open	(	struct i2c_slave_data **	slave_data,
		struct pi_i2c_conf *	conf
	)

References ___i2c_drv_get_slave(), __i2c_drv_add_slave(), __i2c_open_prepare_read_buf(), __i2c_open_prepare_w_r_buf(), __i2c_open_prepare_write_buf(), __i2c_prepare_timing(), i2c_itf_data::cmd_chan_id, CMD_CHANNEL, disable_irq(), hal_soc_eu_clear_fc_mask(), hal_soc_eu_set_fc_mask(), hal_udma_ctrl_cg_disable(), hal_udma_ctrl_reset_disable(), hal_udma_i2c_clr_event_by_id(), hal_udma_i2c_cmd_dest_set(), hal_udma_i2c_enqueue(), hal_udma_i2c_get_event_by_id(), hal_udma_i2c_rx_dest_set(), hal_udma_i2c_set_event_by_id(), hal_udma_i2c_tx_dest_set(), I2C_CMD_EVENT, I2C_FLAG_CMD_EVENT_I, I2C_FLAG_PRESC_DIV10_EVENT_O, I2C_TRACE, memset(), i2c_itf_data::open_nb, pi_data_malloc, pi_fc_event_handler_set(), pi_freq_get(), pi_time_wait_us(), pi_udma_core_lin_alloc(), i2c_itf_data::read_cmd_buf, restore_irq(), i2c_itf_data::rx_chan_id, i2c_itf_data::rx_timeout_id, SOC_EVENT_UDMA_I2C_LEAD_EVT, i2c_itf_data::tx_chan_id, i2c_itf_data::tx_timeout_id, UDMA_I2C_ID, i2c_itf_data::w_r_cmd_buf, and i2c_itf_data::write_cmd_buf.

static void __pi_i2c_read ( struct i2c_slave_data *  slave_data, void *  buffer, uint32_t  size, pi_i2c_xfer_flags_e  flags, pi_task_t *  callback  )

inlinestatic

References __i2c_drv_fifo_enqueue(), __i2c_prepare_read_cmd_buffer(), __pi_i2c_timeout_abort(), __pi_i2c_timeout_config_set(), CMD_CHANNEL, pi_task_t::data, disable_irq(), i2c_itf_data::end_task, hal_udma_i2c_enqueue(), I2C_READ, i2c_itf_data::id, i2c_slave_data::is_10_bits, i2c_slave_data::itf_data, i2c_itf_data::read_cmd_buf, restore_irq(), i2c_itf_data::rx_chan_id, i2c_itf_data::rx_timeout_id, i2c_slave_data::slave_addr, and pi_task_t::timeout.

Referenced by pi_i2c_read(), and pi_i2c_read_async().

void __pi_i2c_timeout_abort

(

void *

arg

)

References __i2c_drv_fifo_pop(), __pi_i2c_send_request_from_irq(), CMD_CHANNEL, i2c_itf_data::end_task, hal_udma_i2c_channel_stop(), hal_udma_i2c_clr_event_mask(), i2c_itf_data::id, RX_CHANNEL, TX_CHANNEL, UDMA_I2C_STATUS_REG_IDX_STATUS_I2C_SOFT_RESET_EVENT_O_IDX_BIT, UDMA_I2C_STATUS_REG_IDX_STATUS_LEAD_PURGE_EVENT_O_IDX_BIT, and UDMA_I2C_STATUS_REG_IDX_STATUS_LEAD_UNLOCK_EVENT_O_IDX_BIT.

Referenced by __pi_i2c_ioctl(), __pi_i2c_read(), __pi_i2c_send_request_from_irq(), and __pi_i2c_write().

static void __pi_i2c_timeout_config_set ( pi_task_t *  task, uint8_t  timeout_id, uint8_t  udma_chan_id, uint32_t  timeout_us, pi_callback_func_t  abort_func, void *  arg  )

inlinestatic

References pi_task_timeout_callback_set(), and pi_udma_timeout_config_set().

Referenced by __pi_i2c_read(), __pi_i2c_send_request_from_irq(), and __pi_i2c_write().

static void __pi_i2c_write ( struct i2c_slave_data *  slave_data, void *  buffer, uint32_t  size, pi_i2c_xfer_flags_e  flags, pi_task_t *  callback  )

inlinestatic

References __i2c_drv_fifo_enqueue(), __i2c_prepare_write_cmd_buffer(), __pi_i2c_timeout_abort(), __pi_i2c_timeout_config_set(), CMD_CHANNEL, pi_task_t::data, disable_irq(), i2c_itf_data::end_task, hal_udma_i2c_enqueue(), I2C_WRITE, i2c_itf_data::id, i2c_slave_data::itf_data, restore_irq(), i2c_slave_data::slave_addr, pi_task_t::timeout, i2c_itf_data::tx_chan_id, i2c_itf_data::tx_timeout_id, and i2c_itf_data::write_cmd_buf.

Referenced by pi_i2c_write(), and pi_i2c_write_async().

static void __pi_i2c_write_dual ( struct i2c_slave_data *  slave_data, void *  tx_buffer0, void *  tx_buffer1, uint32_t  tx_size0, uint32_t  tx_size1, pi_task_t *  callback  )

inlinestatic

Special frame for device requiring uninterupted sequence of write

References __i2c_drv_fifo_enqueue(), CMD_CHANNEL, pi_task_t::data, disable_irq(), i2c_itf_data::end_task, hal_udma_i2c_enqueue(), I2C_BUF_START_POS, I2C_BUF_WRITE_RPT_POS, I2C_CMD_LEAD_START, I2C_CMD_RPT, I2C_CMD_STOP, I2C_WRITE_BUF_SIZE, I2C_WRITE_DUAL, i2c_itf_data::id, i2c_slave_data::is_10_bits, i2c_slave_data::itf_data, restore_irq(), TX_CHANNEL, WR_BUF_STOP_ID, and i2c_itf_data::write_cmd_buf.

Referenced by pi_i2c_write_dual_async().

static void __pi_i2c_write_read ( struct i2c_slave_data *  slave_data, void *  tx_buffer, void *  rx_buffer, uint32_t  tx_size, uint32_t  rx_size, pi_task_t *  callback  )

inlinestatic

Special frame for device requiring uninterupted sequence with restart

References __i2c_drv_fifo_enqueue(), CMD_CHANNEL, pi_task_t::data, disable_irq(), i2c_itf_data::end_task, hal_udma_i2c_enqueue(), I2C_CMD_RPT, I2C_W_R_BUF_SIZE, I2C_W_R_BUF_WR_POS, I2C_WRITE_READ, i2c_itf_data::id, i2c_slave_data::is_10_bits, i2c_slave_data::itf_data, restore_irq(), RX_CHANNEL, TX_CHANNEL, W_R_BUF_RD, and i2c_itf_data::w_r_cmd_buf.

Referenced by __pi_i2c_send_request_from_irq(), pi_i2c_write_read(), and pi_i2c_write_read_async().