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- #ifndef __SPI_FSL_LIB_H__
- #define __SPI_FSL_LIB_H__
- #include <asm/io.h>
- struct mpc8xxx_spi {
- struct device *dev;
- void __iomem *reg_base;
-
- const void *tx;
- void *rx;
- #if IS_ENABLED(CONFIG_SPI_FSL_ESPI)
- int len;
- u8 *local_buf;
- #endif
- int subblock;
- struct spi_pram __iomem *pram;
- #ifdef CONFIG_FSL_SOC
- struct cpm_buf_desc __iomem *tx_bd;
- struct cpm_buf_desc __iomem *rx_bd;
- #endif
- struct spi_transfer *xfer_in_progress;
-
- dma_addr_t tx_dma;
- dma_addr_t rx_dma;
- bool map_tx_dma;
- bool map_rx_dma;
- dma_addr_t dma_dummy_tx;
- dma_addr_t dma_dummy_rx;
-
- void (*get_rx) (u32 rx_data, struct mpc8xxx_spi *);
- u32(*get_tx) (struct mpc8xxx_spi *);
- unsigned int count;
- unsigned int irq;
- unsigned nsecs;
- u32 spibrg;
- u32 rx_shift;
- u32 tx_shift;
- unsigned int flags;
- #if IS_ENABLED(CONFIG_SPI_FSL_SPI)
- int type;
- int native_chipselects;
- u8 max_bits_per_word;
- void (*set_shifts)(u32 *rx_shift, u32 *tx_shift,
- int bits_per_word, int msb_first);
- #endif
- struct completion done;
- };
- struct spi_mpc8xxx_cs {
-
- void (*get_rx) (u32 rx_data, struct mpc8xxx_spi *);
- u32 (*get_tx) (struct mpc8xxx_spi *);
- u32 rx_shift;
- u32 tx_shift;
- u32 hw_mode;
- };
- static inline void mpc8xxx_spi_write_reg(__be32 __iomem *reg, u32 val)
- {
- iowrite32be(val, reg);
- }
- static inline u32 mpc8xxx_spi_read_reg(__be32 __iomem *reg)
- {
- return ioread32be(reg);
- }
- struct mpc8xxx_spi_probe_info {
- struct fsl_spi_platform_data pdata;
- int *gpios;
- bool *alow_flags;
- };
- extern u32 mpc8xxx_spi_tx_buf_u8(struct mpc8xxx_spi *mpc8xxx_spi);
- extern u32 mpc8xxx_spi_tx_buf_u16(struct mpc8xxx_spi *mpc8xxx_spi);
- extern u32 mpc8xxx_spi_tx_buf_u32(struct mpc8xxx_spi *mpc8xxx_spi);
- extern void mpc8xxx_spi_rx_buf_u8(u32 data, struct mpc8xxx_spi *mpc8xxx_spi);
- extern void mpc8xxx_spi_rx_buf_u16(u32 data, struct mpc8xxx_spi *mpc8xxx_spi);
- extern void mpc8xxx_spi_rx_buf_u32(u32 data, struct mpc8xxx_spi *mpc8xxx_spi);
- extern struct mpc8xxx_spi_probe_info *to_of_pinfo(
- struct fsl_spi_platform_data *pdata);
- extern int mpc8xxx_spi_bufs(struct mpc8xxx_spi *mspi,
- struct spi_transfer *t, unsigned int len);
- extern const char *mpc8xxx_spi_strmode(unsigned int flags);
- extern void mpc8xxx_spi_probe(struct device *dev, struct resource *mem,
- unsigned int irq);
- extern int mpc8xxx_spi_remove(struct device *dev);
- extern int of_mpc8xxx_spi_probe(struct platform_device *ofdev);
- #endif
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