spi_internal.c File Reference

Macros
#define	PRINTF(...)
#define	SPIM_GAP_ADDR_ID
#define	PREALLOC_TASK_VALID_ID
#define	SPIM_LEN_ID
#define	TR_TYPE_ID
#define	SPIM_DEV_ADDR_ID
#define	SPIM_STRIDE_ID
#define	SPIM_LENGTH_ID
#define	SPI_TRANSFER_TYPE_COPY_2D
#define	SPI_TRANSFER_TYPE_COPY
#define	SPI_TRANSFER_TYPE_SEND
#define	SPI_TRANSFER_TYPE_READ

Functions
static void	__spi_cpy_read_aligned (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
static void	__spi_cpy_send_aligned (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
static void	__spi_cpy_read_misaligned (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
static void	__spi_cpy_send_misaligned (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
static uint32_t	__pi_spi_clk_div_get (uint32_t spi_freq)
void	pi_spi_conf_init (struct pi_spi_conf *conf)
void	__pi_spim_execute_callback (void *arg)
static void	__pi_spim_exec_next_transfer (pi_task_t *task)
static void	__pi_spim_exec_post_transfer (pi_task_t *task)
static void	__spim_handle_end_of_transfer (pi_task_t *task)
static void	__spim_handle_first_byte_copy (struct spim_driver_data *drv_data)
static void	__spim_handle_last_byte_copy (struct spim_driver_data *drv_data)
static void	__spim_exec_2d_transfer (pi_task_t *task)
void	spim_eot_handler (void *arg)
void	spim_tx_handler (void *arg)
void	spim_rx_handler (void *arg)
int	__pi_spi_open (struct spim_cs_data **cs_data, struct pi_spi_conf *conf)
int	__pi_spi_close (struct spim_cs_data *cs_data)
void	__pi_spi_freq_cb (void *args)
void	__pi_spi_receive_async (struct spim_cs_data *cs_data, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
void	__pi_spi_receive_async_with_ucode (struct spim_cs_data *cs_data, void *data, size_t len, pi_spi_flags_e flags, int ucode_size, void *ucode, pi_task_t *task)
void	__pi_spi_send_async_with_ucode (struct spim_cs_data *cs_data, void *data, size_t len, pi_spi_flags_e flags, int ucode_size, void *ucode, pi_task_t *task)
void	__pi_spi_send_async (struct spim_cs_data *cs_data, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
void	__pi_spi_xfer_async (struct spim_cs_data *cs_data, void *tx_data, void *rx_data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
void	__pi_spi_copy_async (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, pi_spi_flags_e flags, pi_task_t *task)
void	__pi_spi_copy_async_2d (struct spim_cs_data *cs_data, uint32_t addr, void *data, size_t len, size_t stride, size_t length, pi_spi_flags_e flags, pi_task_t *task)
void	__pi_spi_send_ucode_set_addr_info (struct spim_cs_data *cs_data, void *addr, size_t size)
uint8_t *	__pi_spi_send_ucode_set (struct spim_cs_data *cs_data, uint8_t *ucode, size_t size)
void	__pi_spi_receive_ucode_set_addr_info (struct spim_cs_data *cs_data, void *addr, size_t size)
uint8_t *	__pi_spi_receive_ucode_set (struct spim_cs_data *cs_data, uint8_t *ucode, size_t size)
void	__ucode_patch (struct spim_cs_data *cs_data, uint32_t addr, int is_rx)

Variables
struct spim_driver_data *	__g_spim_drv_data [UDMA_NB_SPIM]
struct pmsis_event_kernel_wrap *	default_sched

Macro Definition Documentation

#define PREALLOC_TASK_VALID_ID

Referenced by __spi_cpy_read_aligned(), __spi_cpy_read_misaligned(), __spi_cpy_send_aligned(), __spi_cpy_send_misaligned(), and spim_eot_handler().

#define PRINTF

(

...

)

Referenced by __pi_spi_copy_async(), __pi_spi_copy_async_2d(), __pi_spi_open(), __pi_spi_receive_async(), __pi_spi_send_async(), __pi_spi_send_async_with_ucode(), __pi_spi_xfer_async(), __spi_cpy_read_aligned(), __spi_cpy_read_misaligned(), __spi_cpy_send_aligned(), __spi_cpy_send_misaligned(), __spim_exec_2d_transfer(), __spim_handle_end_of_transfer(), __spim_handle_first_byte_copy(), __spim_handle_last_byte_copy(), __ucode_patch(), spim_eot_handler(), spim_rx_handler(), and spim_tx_handler().

#define SPI_TRANSFER_TYPE_COPY

Referenced by __pi_spim_exec_next_transfer(), __spi_cpy_read_aligned(), __spi_cpy_read_misaligned(), __spi_cpy_send_aligned(), and __spi_cpy_send_misaligned().

#define SPI_TRANSFER_TYPE_COPY_2D

Referenced by __pi_spi_copy_async_2d(), and __pi_spim_exec_next_transfer().

#define SPI_TRANSFER_TYPE_READ

Referenced by __pi_spim_exec_next_transfer().

#define SPI_TRANSFER_TYPE_SEND

Referenced by __pi_spim_exec_next_transfer().

#define SPIM_DEV_ADDR_ID

Referenced by __pi_spi_copy_async_2d(), and __spim_exec_2d_transfer().

#define SPIM_GAP_ADDR_ID

Referenced by __pi_spi_copy_async_2d(), and __spim_exec_2d_transfer().

#define SPIM_LEN_ID

Referenced by __spim_exec_2d_transfer().

#define SPIM_LENGTH_ID

Referenced by __pi_spi_copy_async_2d(), and __spim_exec_2d_transfer().

#define SPIM_STRIDE_ID

Referenced by __pi_spi_copy_async_2d(), and __spim_exec_2d_transfer().

#define TR_TYPE_ID

Referenced by __pi_spi_copy_async_2d(), and __pi_spim_exec_next_transfer().

Function Documentation

static uint32_t __pi_spi_clk_div_get ( uint32_t  spi_freq )

static

References pi_freq_get().

Referenced by __pi_spi_freq_cb(), and __pi_spi_open().

int __pi_spi_close

(

struct spim_cs_data *

cs_data

)

References __pi_spim_cs_data_del(), spim_cs_data::cs, spim_driver_data::device_id, spim_cs_data::drv_data, spim_driver_data::drv_fifo, hal_soc_eu_clear_fc_mask(), spim_driver_data::nb_open, pi_data_free, pi_default_free, pi_fc_event_handler_clear(), pi_freq_callback_remove(), SOC_EVENT_UDMA_SPIM_EOT, spim_driver_data::spi_freq_cb, udma_ctrl_cg_enable(), and UDMA_SPIM_ID.

Referenced by pi_spi_close().

void __pi_spi_copy_async	(	struct spim_cs_data *	cs_data,
		uint32_t	addr,
		void *	data,
		size_t	len,
		pi_spi_flags_e	flags,
		pi_task_t *	task
	)

References __spi_cpy_read_aligned(), __spi_cpy_read_misaligned(), __spi_cpy_send_aligned(), __spi_cpy_send_misaligned(), and PRINTF.

Referenced by __pi_spi_copy_async_2d(), __pi_spim_exec_next_transfer(), __spim_exec_2d_transfer(), pi_spi_copy(), and pi_spi_copy_async().

void __pi_spi_copy_async_2d	(	struct spim_cs_data *	cs_data,
		uint32_t	addr,
		void *	data,
		size_t	len,
		size_t	stride,
		size_t	length,
		pi_spi_flags_e	flags,
		pi_task_t *	task
	)

References __pi_spi_copy_async(), __pi_spim_drv_fifo_enqueue_task(), pi_task_t::data, disable_irq(), spim_driver_data::end_of_transfer, pi_task_t::next, PRINTF, restore_irq(), SPI_TRANSFER_TYPE_COPY_2D, SPIM_CS_DATA_GET_DRV_DATA, SPIM_DEV_ADDR_ID, SPIM_GAP_ADDR_ID, SPIM_LENGTH_ID, SPIM_STRIDE_ID, TR_TYPE_ID, and spim_driver_data::transfer_2d.

Referenced by __pi_spim_exec_next_transfer(), pi_spi_copy_2d(), and pi_spi_copy_2d_async().

void __pi_spi_freq_cb

(

void *

args

)

References __pi_spi_clk_div_get(), spim_cs_data::cfg, spim_driver_data::cs_list, spim_driver_data::device_id, spim_cs_data::max_baudrate, spim_cs_data::next, spim_cs_data::phase, spim_cs_data::polarity, RX_CHANNEL, SPI_CMD_CFG, SPIM, TX_CHANNEL, and udma_channel_busy_get().

Referenced by __pi_spi_open().

int __pi_spi_open	(	struct spim_cs_data **	cs_data,
		struct pi_spi_conf *	conf
	)

References __pi_spi_clk_div_get(), __pi_spi_freq_cb(), __pi_spim_cs_data_add(), __pi_spim_get_cs_data(), spim_cs_data::big_endian, spim_cs_data::cfg, spim_cs_data::chunk_size_rx, spim_cs_data::chunk_size_tx, spim_cs_data::cs, spim_driver_data::device_id, spim_driver_data::drv_fifo, hal_soc_eu_clear_fc_mask(), hal_soc_eu_set_fc_mask(), spim_cs_data::max_baudrate, memset(), spim_driver_data::nb_open, spim_cs_data::phase, pi_data_malloc, pi_default_malloc, pi_fc_event_handler_set(), pi_freq_callback_add(), pi_freq_callback_init(), spim_cs_data::polarity, PRINTF, printf, SOC_EVENT_UDMA_SPIM_EOT, SOC_EVENT_UDMA_SPIM_RX, SOC_EVENT_UDMA_SPIM_TX, SPI_CMD_CFG, spim_driver_data::spi_freq_cb, spim_eot_handler(), spim_rx_handler(), spim_tx_handler(), system_core_clock_get(), udma_ctrl_cg_disable(), UDMA_SPIM_ID, and spim_cs_data::wordsize.

Referenced by pi_spi_open().

void __pi_spi_receive_async	(	struct spim_cs_data *	cs_data,
		void *	data,
		size_t	len,
		pi_spi_flags_e	flags,
		pi_task_t *	task
	)

References __pi_spim_drv_fifo_enqueue(), spim_cs_data::big_endian, spim_transfer::byte_align, spim_cs_data::cfg, spim_transfer::cfg_cmd, spim_cs_data::cs, spim_transfer::data, spim_driver_data::device_id, spim_driver_data::end_of_transfer, spim_transfer::flags, hal_soc_eu_set_fc_mask(), spim_transfer::is_send, spim_transfer::len, spim_cs_data::max_baudrate, PRINTF, restore_irq(), RX_CHANNEL, SOC_EVENT_UDMA_SPIM_RX, SPI_CMD_EOT, SPI_CMD_RX_DATA, SPI_CMD_SOT, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), system_core_clock_get(), TX_CHANNEL, spim_cs_data::udma_cmd, UDMA_CORE_RX_CFG_EN, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spim_exec_next_transfer(), and pi_spi_receive_async().

void __pi_spi_receive_async_with_ucode	(	struct spim_cs_data *	cs_data,
		void *	data,
		size_t	len,
		pi_spi_flags_e	flags,
		int	ucode_size,
		void *	ucode,
		pi_task_t *	task
	)

References __pi_spim_drv_fifo_enqueue(), spim_transfer::byte_align, spim_transfer::cfg_cmd, spim_transfer::data, spim_driver_data::device_id, spim_driver_data::end_of_transfer, spim_transfer::flags, hal_soc_eu_set_fc_mask(), spim_transfer::is_send, spim_transfer::len, memcpy(), restore_irq(), RX_CHANNEL, SOC_EVENT_UDMA_SPIM_RX, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), TX_CHANNEL, spim_cs_data::udma_cmd, UDMA_CORE_RX_CFG_EN, and UDMA_CORE_TX_CFG_EN.

Referenced by pi_spi_receive_with_ucode().

uint8_t* __pi_spi_receive_ucode_set	(	struct spim_cs_data *	cs_data,
		uint8_t *	ucode,
		size_t	size
	)

References spim_cs_data::cfg, spim_cs_data::cs, memcpy(), SPI_CMD_SOT, spim_cs_data::ucode_rx, and spim_cs_data::ucode_rx_pos.

Referenced by pi_spi_receive_ucode_set().

void __pi_spi_receive_ucode_set_addr_info	(	struct spim_cs_data *	cs_data,
		void *	addr,
		size_t	size
	)

References spim_cs_data::ucode_rx_addr, and spim_cs_data::ucode_rx_addr_size.

Referenced by pi_spi_receive_ucode_set_addr_info().

void __pi_spi_send_async	(	struct spim_cs_data *	cs_data,
		void *	data,
		size_t	len,
		pi_spi_flags_e	flags,
		pi_task_t *	task
	)

References __pi_spim_drv_fifo_enqueue(), spim_cs_data::big_endian, spim_transfer::byte_align, spim_cs_data::cfg, spim_transfer::cfg_cmd, spim_cs_data::cs, spim_transfer::data, spim_driver_data::device_id, disable_irq(), spim_driver_data::end_of_transfer, spim_transfer::flags, hal_read32(), hal_soc_eu_set_fc_mask(), spim_transfer::is_send, spim_transfer::len, spim_cs_data::max_baudrate, PRINTF, SOC_EVENT_UDMA_SPIM_TX, SPI_CMD_EOT, SPI_CMD_SOT, SPI_CMD_TX_DATA, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), system_core_clock_get(), TX_CHANNEL, spim_cs_data::udma_cmd, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spim_exec_next_transfer(), and pi_spi_send_async().

void __pi_spi_send_async_with_ucode	(	struct spim_cs_data *	cs_data,
		void *	data,
		size_t	len,
		pi_spi_flags_e	flags,
		int	ucode_size,
		void *	ucode,
		pi_task_t *	task
	)

References __pi_spim_drv_fifo_enqueue(), spim_transfer::byte_align, spim_transfer::cfg_cmd, spim_transfer::data, spim_driver_data::device_id, spim_driver_data::end_of_transfer, spim_transfer::flags, hal_read32(), hal_soc_eu_set_fc_mask(), spim_transfer::is_send, spim_transfer::len, pi_time_wait_us(), PRINTF, restore_irq(), SOC_EVENT_UDMA_SPIM_TX, SPI_CMD_EOT, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), TX_CHANNEL, spim_cs_data::udma_cmd, and UDMA_CORE_TX_CFG_EN.

Referenced by pi_spi_send_with_ucode().

uint8_t* __pi_spi_send_ucode_set	(	struct spim_cs_data *	cs_data,
		uint8_t *	ucode,
		size_t	size
	)

References spim_cs_data::cfg, spim_cs_data::cs, memcpy(), SPI_CMD_SOT, spim_cs_data::ucode_tx, and spim_cs_data::ucode_tx_pos.

Referenced by pi_spi_send_ucode_set().

void __pi_spi_send_ucode_set_addr_info	(	struct spim_cs_data *	cs_data,
		void *	addr,
		size_t	size
	)

References spim_cs_data::ucode_tx_addr, and spim_cs_data::ucode_tx_addr_size.

Referenced by pi_spi_send_ucode_set_addr_info().

void __pi_spi_xfer_async	(	struct spim_cs_data *	cs_data,
		void *	tx_data,
		void *	rx_data,
		size_t	len,
		pi_spi_flags_e	flags,
		pi_task_t *	task
	)

References __pi_spim_drv_fifo_enqueue(), spim_cs_data::big_endian, spim_transfer::byte_align, spim_cs_data::cfg, spim_transfer::cfg_cmd, spim_cs_data::cs, spim_transfer::data, spim_driver_data::device_id, spim_driver_data::end_of_transfer, spim_transfer::flags, hal_read32(), hal_soc_eu_set_fc_mask(), spim_transfer::is_send, spim_transfer::len, spim_cs_data::max_baudrate, PRINTF, restore_irq(), RX_CHANNEL, SOC_EVENT_UDMA_SPIM_RX, SPI_CMD_EOT, SPI_CMD_FULL_DUPL, SPI_CMD_SOT, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), system_core_clock_get(), TX_CHANNEL, spim_cs_data::udma_cmd, UDMA_CORE_RX_CFG_EN, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spim_exec_next_transfer(), and pi_spi_transfer_async().

static void __pi_spim_exec_next_transfer ( pi_task_t *  task )

inlinestatic

References __pi_spi_copy_async(), __pi_spi_copy_async_2d(), __pi_spi_receive_async(), __pi_spi_send_async(), __pi_spi_xfer_async(), pi_task_t::data, SPI_TRANSFER_TYPE_COPY, SPI_TRANSFER_TYPE_COPY_2D, SPI_TRANSFER_TYPE_READ, SPI_TRANSFER_TYPE_SEND, and TR_TYPE_ID.

Referenced by spim_eot_handler().

static void __pi_spim_exec_post_transfer ( pi_task_t *  task )

inlinestatic

References __spi_cpy_read_aligned(), __spi_cpy_send_aligned(), and pi_task_t::data.

Referenced by spim_eot_handler().

void __pi_spim_execute_callback

(

void *

arg

)

static void __spi_cpy_read_aligned ( struct spim_cs_data *  cs_data, uint32_t  addr, void *  data, size_t  len, pi_spi_flags_e  flags, pi_task_t *  task  )

inlinestatic

implem of cpy api, aligned version Allows to access spi devices with a notion of address Ucode for read (rx) has to be setup before use API is orthogonal of other APIs

References __pi_spim_drv_fifo_enqueue_task(), __ucode_patch(), spim_cs_data::big_endian, spim_cs_data::cfg, spim_cs_data::chunk_size_rx, pi_task_t::data, spim_driver_data::device_id, disable_irq(), spim_driver_data::end_of_transfer, spim_driver_data::post_transfer_task, PREALLOC_TASK_VALID_ID, PRINTF, spim_driver_data::repeat_transfer, restore_irq(), RX_CHANNEL, SPI_CMD_EOT, SPI_CMD_RX_DATA, SPI_TRANSFER_TYPE_COPY, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), spim_driver_data::transfer_2d, TX_CHANNEL, spim_cs_data::ucode_rx, spim_cs_data::ucode_rx_pos, UDMA_CORE_RX_CFG_EN, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spi_copy_async(), __pi_spim_exec_post_transfer(), and __spi_cpy_read_misaligned().

static void __spi_cpy_read_misaligned ( struct spim_cs_data *  cs_data, uint32_t  addr, void *  data, size_t  len, pi_spi_flags_e  flags, pi_task_t *  task  )

inlinestatic

implem of cpy api, misaligned version Allows to access spi devices with a notion of address Ucode for read (rx) has to be setup before use API is orthogonal of other APIs

Misaglinment is handled by creating up to 3 fragments set align_post_transfer if transfer is misaligned at the end

References __pi_spim_drv_fifo_enqueue_task(), __spi_cpy_read_aligned(), __ucode_patch(), spim_cs_data::big_endian, spim_cs_data::cfg, pi_task_t::data, spim_driver_data::device_id, disable_irq(), spim_driver_data::end_of_transfer, spim_driver_data::first_byte_addr, spim_driver_data::first_byte_pos, spim_driver_data::first_byte_size, spim_driver_data::last_byte_addr, spim_driver_data::last_byte_mask, spim_driver_data::post_transfer_task, PREALLOC_TASK_VALID_ID, PRINTF, RD_TMP_BUF_F, RD_TMP_BUF_L, spim_driver_data::repeat_transfer, restore_irq(), RX_CHANNEL, SPI_CMD_EOT, SPI_CMD_RX_DATA, SPI_TRANSFER_TYPE_COPY, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), spim_driver_data::tmp_buf, spim_driver_data::transfer_2d, TX_CHANNEL, spim_cs_data::ucode_rx, spim_cs_data::ucode_rx_pos, UDMA_CORE_RX_CFG_EN, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spi_copy_async().

static void __spi_cpy_send_aligned ( struct spim_cs_data *  cs_data, uint32_t  addr, void *  data, size_t  len, pi_spi_flags_e  flags, pi_task_t *  task  )

inlinestatic

implem of cpy api, aligned version Allows to access spi devices with a notion of address Ucode for write (tx) has to be setup before use API is orthogonal of other APIs

Also handles the notion of chunk size (mostly for spiram) in the case where command can be directly repeated to move forward in address space

References __pi_spim_drv_fifo_enqueue_task(), __ucode_patch(), spim_cs_data::big_endian, spim_cs_data::cfg, spim_cs_data::chunk_size_tx, pi_task_t::data, spim_driver_data::device_id, disable_irq(), spim_driver_data::end_of_transfer, hal_read32(), spim_driver_data::post_transfer_task, PREALLOC_TASK_VALID_ID, PRINTF, spim_driver_data::repeat_transfer, restore_irq(), SPI_CMD_EOT, SPI_CMD_TX_DATA, SPI_TRANSFER_TYPE_COPY, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), spim_driver_data::transfer_2d, TX_CHANNEL, spim_cs_data::ucode_tx, spim_cs_data::ucode_tx_pos, spim_cs_data::udma_cmd, UDMA_CORE_TX_CFG_EN, and spim_cs_data::wordsize.

Referenced by __pi_spi_copy_async(), __pi_spim_exec_post_transfer(), and __spi_cpy_send_misaligned().

static void __spi_cpy_send_misaligned ( struct spim_cs_data *  cs_data, uint32_t  addr, void *  data, size_t  len, pi_spi_flags_e  flags, pi_task_t *  task  )

inlinestatic

implem of cpy api, misaligned version Allows to access spi devices with a notion of address Ucode for write (tx) has to be setup before use API is orthogonal of other APIs

Also handles the notion of chunk size (mostly for spiram) in the case where command can be directly repeated to move forward in address space

References __pi_spim_drv_fifo_enqueue_task(), __spi_cpy_send_aligned(), __ucode_patch(), spim_cs_data::big_endian, spim_cs_data::cfg, pi_task_t::data, spim_driver_data::device_id, disable_irq(), spim_driver_data::end_of_transfer, hal_read32(), spim_driver_data::post_transfer_task, PREALLOC_TASK_VALID_ID, PRINTF, spim_driver_data::repeat_transfer, restore_irq(), SPI_CMD_EOT, SPI_CMD_TX_DATA, SPI_TRANSFER_TYPE_COPY, SPIM, SPIM_CS_DATA_GET_DRV_DATA, spim_enqueue_channel(), spim_driver_data::tmp_buf, spim_driver_data::transfer_2d, TX_CHANNEL, spim_cs_data::ucode_tx, spim_cs_data::ucode_tx_pos, spim_cs_data::udma_cmd, UDMA_CORE_RX_CFG_EN, UDMA_CORE_TX_CFG_EN, spim_cs_data::wordsize, and WR_TMP_BUF_F.

Referenced by __pi_spi_copy_async().

static void __spim_exec_2d_transfer ( pi_task_t *  task )

inlinestatic

References __pi_spi_copy_async(), pi_task_t::data, PRINTF, SPIM_DEV_ADDR_ID, SPIM_GAP_ADDR_ID, SPIM_LEN_ID, SPIM_LENGTH_ID, and SPIM_STRIDE_ID.

Referenced by spim_eot_handler().

static void __spim_handle_end_of_transfer ( pi_task_t *  task )

inlinestatic

References default_sched, pi_task_t::id, pi_task_release(), pmsis_event_push(), and PRINTF.

Referenced by spim_eot_handler().

static void __spim_handle_first_byte_copy ( struct spim_driver_data *  drv_data )

inlinestatic

References spim_driver_data::first_byte_addr, spim_driver_data::first_byte_pos, spim_driver_data::first_byte_size, PRINTF, RD_TMP_BUF_F, and spim_driver_data::tmp_buf.

Referenced by spim_eot_handler().

static void __spim_handle_last_byte_copy ( struct spim_driver_data *  drv_data )

inlinestatic

References spim_driver_data::last_byte_addr, spim_driver_data::last_byte_mask, PRINTF, RD_TMP_BUF_L, and spim_driver_data::tmp_buf.

Referenced by spim_eot_handler().

void __ucode_patch	(	struct spim_cs_data *	cs_data,
		uint32_t	addr,
		int	is_rx
	)

References PRINTF, spim_cs_data::ucode_rx_addr, spim_cs_data::ucode_rx_addr_size, spim_cs_data::ucode_tx_addr, and spim_cs_data::ucode_tx_addr_size.

Referenced by __spi_cpy_read_aligned(), __spi_cpy_read_misaligned(), __spi_cpy_send_aligned(), and __spi_cpy_send_misaligned().

void pi_spi_conf_init

(

struct pi_spi_conf *

conf

)

void spim_eot_handler

(

void *

arg

)

References __pi_spim_drv_fifo_pop(), __pi_spim_exec_next_transfer(), __pi_spim_exec_post_transfer(), __spim_exec_2d_transfer(), __spim_handle_end_of_transfer(), __spim_handle_first_byte_copy(), __spim_handle_last_byte_copy(), pi_task_t::data, spim_driver_data::end_of_transfer, spim_driver_data::first_byte_addr, spim_driver_data::last_byte_addr, spim_driver_data::last_byte_mask, spim_driver_data::post_transfer_task, PREALLOC_TASK_VALID_ID, PRINTF, spim_driver_data::repeat_transfer, SOC_EVENT_UDMA_SPIM_EOT, and spim_driver_data::transfer_2d.

Referenced by __pi_spi_open(), spim_rx_handler(), and spim_tx_handler().

void spim_rx_handler

(

void *

arg

)

References hal_soc_eu_clear_fc_mask(), PRINTF, SOC_EVENT_UDMA_SPIM_EOT, SOC_EVENT_UDMA_SPIM_RX, spim_eot_handler(), UDMA_CHANNEL_NB_EVENTS_LOG2, and UDMA_SPIM_ID.

Referenced by __pi_spi_open().

void spim_tx_handler

(

void *

arg

)

References hal_soc_eu_clear_fc_mask(), PRINTF, SOC_EVENT_UDMA_SPIM_EOT, SOC_EVENT_UDMA_SPIM_TX, spim_eot_handler(), UDMA_CHANNEL_NB_EVENTS_LOG2, and UDMA_SPIM_ID.

Referenced by __pi_spi_open().

Variable Documentation

struct spim_driver_data* __g_spim_drv_data[UDMA_NB_SPIM]

struct pmsis_event_kernel_wrap* default_sched

Referenced by __spim_handle_end_of_transfer(), pmsis_event_get_default_scheduler(), and pmsis_event_set_default_scheduler().