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Macros
#define	CORDIC_CSR MMIO32(CORDIC_BASE + 0x00)
	CORDIC control/status register. More...

#define	CORDIC_WDATA MMIO32(CORDIC_BASE + 0x04)
	CORDIC argument register. More...

#define	CORDIC_RDATA MMIO32(CORDIC_BASE + 0x08)
	CORDIC result register. More...

#define	CORDIC_CSR_RRDY (0x1 << 31)
	RRDY: result ready flag. More...

#define	CORDIC_CSR_ARGSIZE (0x1 << 22)
	ARGSIZE: Width of input data. More...

#define	CORDIC_CSR_RESSIZE (0x1 << 21)
	RESSIZE: Width of result data. More...

#define	CORDIC_CSR_NARGS (0x1 << 20)
	NARGS: Number of input data writes. More...

#define	CORDIC_CSR_NRES (0x1 << 19)
	NRES: Number of result data reads. More...

#define	CORDIC_CSR_DMAWEN (0x1 << 18)
	DMAWEN: DMA write enable. More...

#define	CORDIC_CSR_DMAREN (0x1 << 17)
	DMAREN: DMA write enable. More...

#define	CORDIC_CSR_IEN (0x1 << 16)
	DMAREN: Interrupt enable. More...

#define	CORDIC_CSR_SCALE_1 (0x0)

#define	CORDIC_CSR_SCALE_2 (0x1)

#define	CORDIC_CSR_SCALE_4 (0x2)

#define	CORDIC_CSR_SCALE_8 (0x3)

#define	CORDIC_CSR_SCALE_16 (0x4)

#define	CORDIC_CSR_SCALE_32 (0x5)

#define	CORDIC_CSR_SCALE_64 (0x6)

#define	CORDIC_CSR_SCALE_128 (0x7)

#define	CORDIC_CSR_SCALE_SHIFT (8)

#define	CORDIC_CSR_SCALE_MASK (0x7 << CORDIC_CSR_SCALE_SHIFT)

#define	CORDIC_CSR_PRECISION_ITER_04 (0x1)

#define	CORDIC_CSR_PRECISION_ITER_08 (0x2)

#define	CORDIC_CSR_PRECISION_ITER_12 (0x3)

#define	CORDIC_CSR_PRECISION_ITER_16 (0x4)

#define	CORDIC_CSR_PRECISION_ITER_20 (0x5)

#define	CORDIC_CSR_PRECISION_ITER_24 (0x6)

#define	CORDIC_CSR_PRECISION_ITER_28 (0x7)

#define	CORDIC_CSR_PRECISION_ITER_32 (0x8)

#define	CORDIC_CSR_PRECISION_ITER_36 (0x9)

#define	CORDIC_CSR_PRECISION_ITER_40 (0xA)

#define	CORDIC_CSR_PRECISION_ITER_44 (0xB)

#define	CORDIC_CSR_PRECISION_ITER_48 (0xC)

#define	CORDIC_CSR_PRECISION_ITER_52 (0xD)

#define	CORDIC_CSR_PRECISION_ITER_56 (0xE)

#define	CORDIC_CSR_PRECISION_ITER_60 (0xF)

#define	CORDIC_CSR_PRECISION_SHIFT (4)

#define	CORDIC_CSR_PRECISION_MASK (0xF << CORDIC_CSR_PRECISION_SHIFT)

#define	CORDIC_CSR_FUNC_COS (0x0)

#define	CORDIC_CSR_FUNC_SIN (0x1)

#define	CORDIC_CSR_FUNC_PHASE (0x2)

#define	CORDIC_CSR_FUNC_MODULUS (0x3)

#define	CORDIC_CSR_FUNC_ATAN (0x4)

#define	CORDIC_CSR_FUNC_COSH (0x5)

#define	CORDIC_CSR_FUNC_SINH (0x6)

#define	CORDIC_CSR_FUNC_ATANH (0x7)

#define	CORDIC_CSR_FUNC_COSINE (0x8)

#define	CORDIC_CSR_FUNC_SQRT (0x9)

#define	CORDIC_CSR_FUNC_SHIFT (0)

#define	CORDIC_CSR_FUNC_MASK (0xF << CORDIC_CSR_FUNC_SHIFT)

Functions
bool	cordic_is_result_ready (void)
	Read CORDIC result ready flag. More...

void	cordic_set_argument_width_32bit (void)
	Set CORDIC to 32 bit argument data width. More...

void	cordic_set_argument_width_16bit (void)
	Set CORDIC to 16 bit argument data width. More...

void	cordic_set_result_width_32bit (void)
	Set CORDIC to 32 bit result data width. More...

void	cordic_set_result_width_16bit (void)
	Set CORDIC to 16 bit result data width. More...

void	cordic_set_number_of_arguments_1 (void)
	Set number of CORDIC arguments to one 32 bit argument or two 16 bit arguments. More...

void	cordic_set_number_of_arguments_2 (void)
	Set number of CORDIC arguments to two 32 bit arguments. More...

void	cordic_set_number_of_results_1 (void)
	Set number of CORDIC results to one 32 bit result or two 16 bit results. More...

void	cordic_set_number_of_results_2 (void)
	Set number of CORDIC results to two 32 bit results. More...

void	cordic_enable_dma_write (void)
	Enable DMA for writes to CORDIC_WDATA. More...

void	cordic_disable_dma_write (void)
	Disable DMA for writes to CORDIC_WDATA. More...

void	cordic_enable_dma_read (void)
	Enable DMA for read from CORDIC_RDATA. More...

void	cordic_disable_dma_read (void)
	Disable DMA for read from CORDIC_RDATA. More...

void	cordic_enable_interrupt (void)
	Enable interrupt when result is ready. More...

void	cordic_set_scaling_factor (uint8_t n)
	Set scaling factor for CORDIC operations. More...

void	cordic_set_precision (uint8_t precision)
	Set precision for CORDIC operations. More...

void	cordic_set_function (uint8_t function)
	Set CORDIC operation type. More...

void	cordic_write_16bit_argument (uint16_t argument)
	Write single 16 bit argument. More...

void	cordic_write_16bit_arguments (uint16_t argument1, uint16_t argument2)
	Write two 16 bit arguments. More...

void	cordic_write_32bit_argument (uint32_t argument)
	Write single 32 bit argument. More...

uint16_t	cordic_read_16bit_result (void)
	Read single 16 bit result. More...

void	cordic_read_16bit_results (uint16_t result1, uint16_t result2)
	Read two 16 bit results. More...

uint32_t	cordic_read_32bit_result (void)
	Read 32 bit result. More...

void	cordic_configure_for_cos_16bit (void)
	Configure cordic for 16 bit cosine. More...

void	cordic_configure_for_cos_32bit (void)
	Configure cordic for 32 bit cosine. More...

void	cordic_configure_for_sin_16bit (void)
	Configure cordic for 16 bit sine. More...

void	cordic_configure_for_sin_32bit (void)
	Configure cordic for 32 bit sine. More...

int16_t	cordic_cos_16bit (int16_t x)
	Compute 16 bit cosine using CORDIC (blocking) More...

int32_t	cordic_cos_32bit (int32_t x)
	Compute 32 bit cosine using CORDIC (blocking) More...

int16_t	cordic_sin_16bit (int16_t x)
	Compute 16 bit sine using CORDIC (blocking) More...

int32_t	cordic_sin_32bit (int32_t x)
	Compute 32 bit sine using CORDIC (blocking) More...

void	cordic_cos_16bit_async (int16_t x)
	Compute 16 bit cosine using CORDIC (non blocking) More...

void	cordic_cos_32bit_async (int32_t x)
	Compute 32 bit cosine using CORDIC (non blocking) More...

void	cordic_sin_16bit_async (int16_t x)
	Compute 16 bit sine using CORDIC (non blocking) More...

void	cordic_sin_32bit_async (int32_t x)
	Compute 32 bit sine using CORDIC (non blocking) More...

Macros

Functions