79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
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#ifndef BB_FPGA_H_
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#define BB_FPGA_H_
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#include <stdint.h>
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struct ff_fpga;
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enum fpga_pin {
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FP_RESET,
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FP_DONE,
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FP_CS,
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};
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#if 0
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enum spi_state {
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SS_UNCONFIGURED = 0,
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SS_SINGLE,
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SS_DUAL_RX,
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SS_DUAL_TX,
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SS_QUAD_RX,
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SS_QUAD_TX,
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SS_HARDWARE,
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};
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enum spi_type {
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ST_UNCONFIGURED,
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ST_SINGLE,
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ST_DUAL,
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ST_QUAD,
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ST_QPI,
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};
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enum spi_pin {
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SP_MOSI,
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SP_MISO,
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SP_HOLD,
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SP_WP,
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SP_CS,
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SP_CLK,
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SP_D0,
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SP_D1,
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SP_D2,
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SP_D3,
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};
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struct ff_spi;
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void spiPause(struct ff_spi *spi);
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void spiBegin(struct ff_spi *spi);
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void spiEnd(struct ff_spi *spi);
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//void spiSingleTx(struct ff_spi *spi, uint8_t out);
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//uint8_t spiSingleRx(struct ff_spi *spi);
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//void spiDualTx(struct ff_spi *spi, uint8_t out);
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//void spiQuadTx(struct ff_spi *spi, uint8_t out);
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void spiCommand(struct ff_spi *spi, uint8_t cmd);
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//uint8_t spiDualRx(struct ff_spi *spi);
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//uint8_t spiQuadRx(struct ff_spi *spi);
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int spiTx(struct ff_spi *spi, uint8_t word);
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uint8_t spiRx(struct ff_spi *spi);
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uint8_t spiReadSr(struct ff_spi *spi, int sr);
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void spiWriteSr(struct ff_spi *spi, int sr, uint8_t val);
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int spiSetType(struct ff_spi *spi, enum spi_type type);
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int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count);
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//int spi_wait_for_not_busy(struct ff_spi *spi);
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int spiWrite(struct ff_spi *spi, uint32_t addr, const uint8_t *data, unsigned int count);
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#endif
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int fpgaResetSlave(struct ff_fpga *fpga);
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int fpgaResetMaster(struct ff_fpga *fpga);
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int fpgaReset(struct ff_fpga *fpga);
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int fpgaInit(struct ff_fpga *fpga);
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int fpgaDone(struct ff_fpga *fpga);
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struct ff_fpga *fpgaAlloc(void);
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void fpgaSetPin(struct ff_fpga *fpga, enum fpga_pin pin, int val);
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void fpgaFree(struct ff_fpga **fpga);
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#endif /* BB_FPGA_H_ */
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