135 	int (*dma_init)(struct device *dev, struct dw_spi *dws);
136 	void (*dma_exit)(struct dw_spi *dws);
137 	int (*dma_setup)(struct dw_spi *dws, struct spi_transfer *xfer);
140 	int (*dma_transfer)(struct dw_spi *dws, struct spi_transfer *xfer);
141 	void (*dma_stop)(struct dw_spi *dws);
169 	irqreturn_t		(*transfer_handler)(struct dw_spi *dws);
194 static inline u32 dw_readl(struct dw_spi *dws, u32 offset)  in dw_readl()  argument
196 	return __raw_readl(dws->regs + offset);  in dw_readl()
199 static inline void dw_writel(struct dw_spi *dws, u32 offset, u32 val)  in dw_writel()  argument
201 	__raw_writel(val, dws->regs + offset);  in dw_writel()
204 static inline u32 dw_read_io_reg(struct dw_spi *dws, u32 offset)  in dw_read_io_reg()  argument
206 	switch (dws->reg_io_width) {  in dw_read_io_reg()
208 		return readw_relaxed(dws->regs + offset);  in dw_read_io_reg()
211 		return readl_relaxed(dws->regs + offset);  in dw_read_io_reg()
215 static inline void dw_write_io_reg(struct dw_spi *dws, u32 offset, u32 val)  in dw_write_io_reg()  argument
217 	switch (dws->reg_io_width) {  in dw_write_io_reg()
219 		writew_relaxed(val, dws->regs + offset);  in dw_write_io_reg()
223 		writel_relaxed(val, dws->regs + offset);  in dw_write_io_reg()
228 static inline void spi_enable_chip(struct dw_spi *dws, int enable)  in spi_enable_chip()  argument
230 	dw_writel(dws, DW_SPI_SSIENR, (enable ? 1 : 0));  in spi_enable_chip()
233 static inline void spi_set_clk(struct dw_spi *dws, u16 div)  in spi_set_clk()  argument
235 	dw_writel(dws, DW_SPI_BAUDR, div);  in spi_set_clk()
239 static inline void spi_mask_intr(struct dw_spi *dws, u32 mask)  in spi_mask_intr()  argument
243 	new_mask = dw_readl(dws, DW_SPI_IMR) & ~mask;  in spi_mask_intr()
244 	dw_writel(dws, DW_SPI_IMR, new_mask);  in spi_mask_intr()
248 static inline void spi_umask_intr(struct dw_spi *dws, u32 mask)  in spi_umask_intr()  argument
252 	new_mask = dw_readl(dws, DW_SPI_IMR) | mask;  in spi_umask_intr()
253 	dw_writel(dws, DW_SPI_IMR, new_mask);  in spi_umask_intr()
261 static inline void spi_reset_chip(struct dw_spi *dws)  in spi_reset_chip()  argument
263 	spi_enable_chip(dws, 0);  in spi_reset_chip()
264 	spi_mask_intr(dws, 0xff);  in spi_reset_chip()
265 	dw_readl(dws, DW_SPI_ICR);  in spi_reset_chip()
266 	dw_writel(dws, DW_SPI_SER, 0);  in spi_reset_chip()
267 	spi_enable_chip(dws, 1);  in spi_reset_chip()
270 static inline void spi_shutdown_chip(struct dw_spi *dws)  in spi_shutdown_chip()  argument
272 	spi_enable_chip(dws, 0);  in spi_shutdown_chip()
273 	spi_set_clk(dws, 0);  in spi_shutdown_chip()
277 extern void dw_spi_update_config(struct dw_spi *dws, struct spi_device *spi,
279 extern int dw_spi_check_status(struct dw_spi *dws, bool raw);
280 extern int dw_spi_add_host(struct device *dev, struct dw_spi *dws);
281 extern void dw_spi_remove_host(struct dw_spi *dws);
282 extern int dw_spi_suspend_host(struct dw_spi *dws);
283 extern int dw_spi_resume_host(struct dw_spi *dws);
287 extern void dw_spi_dma_setup_mfld(struct dw_spi *dws);
288 extern void dw_spi_dma_setup_generic(struct dw_spi *dws);
292 static inline void dw_spi_dma_setup_mfld(struct dw_spi *dws) {}  in dw_spi_dma_setup_mfld()  argument
293 static inline void dw_spi_dma_setup_generic(struct dw_spi *dws) {}  in dw_spi_dma_setup_generic()  argument