mmc/host/sdhci.h

3  *  linux/drivers/mmc/host/sdhci.h - Secure Digital Host Controller Interface driver
20 #include <linux/mmc/host.h>
332 #define SDHCI_ADMA2_64_DESC_SZ(host)	((host)->v4_mode ? 16 : 12)
367 #define sdhci_err_stats_inc(host, err_name) \
368 	mmc_debugfs_err_stats_inc((host)->mmc, MMC_ERR_##err_name)
447 /* The system physically doesn't support 1.8v, even if the host does */
451 /* Controller has a non-standard host control register */
501 	struct mmc_host_ops mmc_host_ops;	/* MMC host ops */
570 	unsigned int alloc_desc_sz;	/* ADMA descr. max size host supports */
608 	unsigned int		tuning_mode;	/* Re-tuning mode supported by host */
630 	u32		(*read_l)(struct sdhci_host *host, int reg);
631 	u16		(*read_w)(struct sdhci_host *host, int reg);
632 	u8		(*read_b)(struct sdhci_host *host, int reg);
633 	void		(*write_l)(struct sdhci_host *host, u32 val, int reg);
634 	void		(*write_w)(struct sdhci_host *host, u16 val, int reg);
635 	void		(*write_b)(struct sdhci_host *host, u8 val, int reg);
638 	void	(*set_clock)(struct sdhci_host *host, unsigned int clock);
639 	void	(*set_power)(struct sdhci_host *host, unsigned char mode,
642 	u32		(*irq)(struct sdhci_host *host, u32 intmask);
644 	int		(*set_dma_mask)(struct sdhci_host *host);
645 	int		(*enable_dma)(struct sdhci_host *host);
646 	unsigned int	(*get_max_clock)(struct sdhci_host *host);
647 	unsigned int	(*get_min_clock)(struct sdhci_host *host);
649 	unsigned int	(*get_timeout_clock)(struct sdhci_host *host);
650 	unsigned int	(*get_max_timeout_count)(struct sdhci_host *host);
651 	void		(*set_timeout)(struct sdhci_host *host,
653 	void		(*set_bus_width)(struct sdhci_host *host, int width);
654 	void (*platform_send_init_74_clocks)(struct sdhci_host *host,
656 	unsigned int    (*get_ro)(struct sdhci_host *host);
657 	void		(*reset)(struct sdhci_host *host, u8 mask);
658 	int	(*platform_execute_tuning)(struct sdhci_host *host, u32 opcode);
659 	void	(*set_uhs_signaling)(struct sdhci_host *host, unsigned int uhs);
660 	void	(*hw_reset)(struct sdhci_host *host);
661 	void    (*adma_workaround)(struct sdhci_host *host, u32 intmask);
662 	void    (*card_event)(struct sdhci_host *host);
663 	void	(*voltage_switch)(struct sdhci_host *host);
664 	void	(*adma_write_desc)(struct sdhci_host *host, void **desc,
666 	void	(*copy_to_bounce_buffer)(struct sdhci_host *host,
669 	void	(*request_done)(struct sdhci_host *host,
671 	void    (*dump_vendor_regs)(struct sdhci_host *host);
676 static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
678 	if (unlikely(host->ops->write_l))
679 		host->ops->write_l(host, val, reg);
681 		writel(val, host->ioaddr + reg);
684 static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
686 	if (unlikely(host->ops->write_w))
687 		host->ops->write_w(host, val, reg);
689 		writew(val, host->ioaddr + reg);
692 static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
694 	if (unlikely(host->ops->write_b))
695 		host->ops->write_b(host, val, reg);
697 		writeb(val, host->ioaddr + reg);
700 static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
702 	if (unlikely(host->ops->read_l))
703 		return host->ops->read_l(host, reg);
705 		return readl(host->ioaddr + reg);
708 static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
710 	if (unlikely(host->ops->read_w))
711 		return host->ops->read_w(host, reg);
713 		return readw(host->ioaddr + reg);
716 static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
718 	if (unlikely(host->ops->read_b))
719 		return host->ops->read_b(host, reg);
721 		return readb(host->ioaddr + reg);
726 static inline void sdhci_writel(struct sdhci_host *host, u32 val, int reg)
728 	writel(val, host->ioaddr + reg);
731 static inline void sdhci_writew(struct sdhci_host *host, u16 val, int reg)
733 	writew(val, host->ioaddr + reg);
736 static inline void sdhci_writeb(struct sdhci_host *host, u8 val, int reg)
738 	writeb(val, host->ioaddr + reg);
741 static inline u32 sdhci_readl(struct sdhci_host *host, int reg)
743 	return readl(host->ioaddr + reg);
746 static inline u16 sdhci_readw(struct sdhci_host *host, int reg)
748 	return readw(host->ioaddr + reg);
751 static inline u8 sdhci_readb(struct sdhci_host *host, int reg)
753 	return readb(host->ioaddr + reg);
759 void sdhci_free_host(struct sdhci_host *host);
761 static inline void *sdhci_priv(struct sdhci_host *host)
763 	return host->private;
766 void __sdhci_read_caps(struct sdhci_host *host, const u16 *ver,
768 int sdhci_setup_host(struct sdhci_host *host);
769 void sdhci_cleanup_host(struct sdhci_host *host);
770 int __sdhci_add_host(struct sdhci_host *host);
771 int sdhci_add_host(struct sdhci_host *host);
772 void sdhci_remove_host(struct sdhci_host *host, int dead);
774 static inline void sdhci_read_caps(struct sdhci_host *host)
776 	__sdhci_read_caps(host, NULL, NULL, NULL);
779 u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock,
781 void sdhci_set_clock(struct sdhci_host *host, unsigned int clock);
782 void sdhci_enable_clk(struct sdhci_host *host, u16 clk);
783 void sdhci_set_power(struct sdhci_host *host, unsigned char mode,
785 void sdhci_set_power_and_bus_voltage(struct sdhci_host *host,
788 void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode,
793 void sdhci_set_bus_width(struct sdhci_host *host, int width);
794 void sdhci_reset(struct sdhci_host *host, u8 mask);
795 void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing);
797 int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode);
802 void sdhci_adma_write_desc(struct sdhci_host *host, void **desc,
806 int sdhci_suspend_host(struct sdhci_host *host);
807 int sdhci_resume_host(struct sdhci_host *host);
808 int sdhci_runtime_suspend_host(struct sdhci_host *host);
809 int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset);
814 bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error,
817 void sdhci_dumpregs(struct sdhci_host *host);
818 void sdhci_enable_v4_mode(struct sdhci_host *host);
820 void sdhci_start_tuning(struct sdhci_host *host);
821 void sdhci_end_tuning(struct sdhci_host *host);
822 void sdhci_reset_tuning(struct sdhci_host *host);
823 void sdhci_send_tuning(struct sdhci_host *host, u32 opcode);
824 void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode);
825 void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
826 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
827 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);