linux/mmc/sdhci.h

20 struct sdhci_host {  struct
22 	const char *hw_name;	/* Hardware bus name */
24 	unsigned int quirks;	/* Deviations from spec. */
91 	unsigned int quirks2;	/* More deviations from spec. */
93 	int irq;		/* Device IRQ */
94 	void __iomem *ioaddr;	/* Mapped address */
96 	const struct sdhci_ops *ops;	/* Low level hw interface */
98 	struct regulator *vmmc;	/* Power regulator */
101 	struct mmc_host *mmc;	/* MMC structure */
102 	u64 dma_mask;		/* custom DMA mask */
105 	struct led_classdev led;	/* LED control */
106 	char led_name[32];
109 	spinlock_t lock;	/* Mutex */
111 	int flags;		/* Host attributes */
124 	unsigned int version;	/* SDHCI spec. version */
126 	unsigned int max_clk;	/* Max possible freq (MHz) */
127 	unsigned int timeout_clk;	/* Timeout freq (KHz) */
128 	unsigned int clk_mul;	/* Clock Muliplier value */
130 	unsigned int clock;	/* Current clock (MHz) */
131 	u8 pwr;			/* Current voltage */
133 	bool runtime_suspended;	/* Host is runtime suspended */
135 	struct mmc_request *mrq;	/* Current request */
136 	struct mmc_command *cmd;	/* Current command */
137 	struct mmc_data *data;	/* Current data request */
138 	unsigned int data_early:1;	/* Data finished before cmd */
140 	struct sg_mapping_iter sg_miter;	/* SG state for PIO */
141 	unsigned int blocks;	/* remaining PIO blocks */
143 	int sg_count;		/* Mapped sg entries */
145 	u8 *adma_desc;		/* ADMA descriptor table */
146 	u8 *align_buffer;	/* Bounce buffer */
148 	dma_addr_t adma_addr;	/* Mapped ADMA descr. table */
149 	dma_addr_t align_addr;	/* Mapped bounce buffer */
151 	struct tasklet_struct card_tasklet;	/* Tasklet structures */
152 	struct tasklet_struct finish_tasklet;
154 	struct timer_list timer;	/* Timer for timeouts */
156 	unsigned int caps;	/* Alternative capabilities */
158 	unsigned int            ocr_avail_sdio;	/* OCR bit masks */
159 	unsigned int            ocr_avail_sd;
160 	unsigned int            ocr_avail_mmc;
162 	wait_queue_head_t	buf_ready_int;	/* Waitqueue for Buffer Read Ready interrupt */
163 	unsigned int		tuning_done;	/* Condition flag set when CMD19 succeeds */
165 	unsigned int		tuning_count;	/* Timer count for re-tuning */
166 	unsigned int		tuning_mode;	/* Re-tuning mode supported by host */
168 	struct timer_list	tuning_timer;	/* Timer for tuning */
170 	unsigned long private[0] ____cacheline_aligned;