95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
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#ifndef BB_SPI_H_
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#define BB_SPI_H_
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#include <stdint.h>
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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 spi_id {
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uint8_t manufacturer_id; // Result from 0x90
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uint8_t device_id; // Result from 0x90
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uint8_t _manufacturer_id; // Result from 0x9f
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uint8_t memory_type; // Result from 0x9f
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uint8_t memory_size; // Result from 0x9f
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uint8_t signature; // Result from 0xab
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uint8_t serial[4]; // Result from 0x4b
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int bytes; // -1 if unknown
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const char *manufacturer;
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const char *model;
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const char *capacity;
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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 spiReadStatus(struct ff_spi *spi, uint8_t sr);
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void spiWriteStatus(struct ff_spi *spi, uint8_t sr, uint8_t val);
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void spiReadSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]);
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void spiWriteSecurity(struct ff_spi *spi, uint8_t sr, uint8_t security[256]);
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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 spiIsBusy(struct ff_spi *spi);
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int spiBeginErase32(struct ff_spi *spi, uint32_t erase_addr);
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int spiBeginErase64(struct ff_spi *spi, uint32_t erase_addr);
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int spiBeginWrite(struct ff_spi *spi, uint32_t addr, const void *data, unsigned int count);
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void spiEnableQuad(void);
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struct spi_id spiId(struct ff_spi *spi);
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void spiOverrideSize(struct ff_spi *spi, uint32_t new_size);
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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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uint8_t spiReset(struct ff_spi *spi);
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int spiInit(struct ff_spi *spi);
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void spiHold(struct ff_spi *spi);
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void spiUnhold(struct ff_spi *spi);
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void spiSwapTxRx(struct ff_spi *spi);
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struct ff_spi *spiAlloc(void);
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void spiSetPin(struct ff_spi *spi, enum spi_pin pin, int val);
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void spiFree(void);
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#endif /* BB_SPI_H_ */
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