FSATA 驱动程序

fsata

    ├── fsata_g.c
    ├── fsata_hw.c
    ├── fsata_hw.h
    ├── fsata_intr.c
    ├── fsata_sinit.c
    ├── fsata.c
    └── fsata.h

typedef struct
{
	FSataConfig config; 	/* sata配置 */
	u32 is_ready;		/* sata初始化完成标志 */
	u32 private_data;
	FSataAhciIoPorts port[FSATA_AHCI_MAX_PORTS];
	u16 *ataid[FSATA_AHCI_MAX_PORTS];
	u32	n_ports;
	u32	cap;	/* cache of HOST_CAP register */
	u32	port_map; /* cache of HOST_PORTS_IMPL reg */
	u32	link_port_map; /*linkup port map*/
	
	FSataIrqCallBack fsata_dhrs_cb; /* device-to-host register fis interrupt */
    void *dhrs_args;
	FSataIrqCallBack fsata_pss_cb; /* pio setup fis interrupt */
    void *pss_args;
	FSataIrqCallBack fsata_dss_cb; /* dma setup fis interrupt */
    void *dss_args;
	FSataIrqCallBack fsata_sdbs_cb; /* set device bits interrupt */
    void *sdbs_args;
	FSataIrqCallBack fsata_pcs_cb; /* port connect change status interrupt */
    void *pcs_args;
} FSataCtrl;

typedef struct
{
	uintptr base_addr; /* sata控制寄存器基地址 */
	const char *instance_name; /* instance name */
	u32 irq_num;     /* Irq number */
} FSataConfig; /* sata配置 */

typedef struct
{
	uintptr	port_mmio;
	FSataAhciCommandList *cmd_list; /*  Command List structure, will include cmd_tbl's address */
	uintptr cmd_tbl_base_addr; /* command table addr, also the command table's first part */
	FSataAhciCommandTablePrdt *cmd_tbl_prdt;	/* command table's second part , cmd_tbl + cmd_tbl_prdt = command table*/
	FSataAhciRecvFis *rx_fis;	/* Received FIS Structure */
	uintptr mem;
	FSataInfo dev_info;
} FSataAhciIoPorts;

typedef struct
{
	unsigned char if_type;		/* type of the interface */
	unsigned char part_type;	/* partition type */
	unsigned char type;		/* device type */
	unsigned char removable;	/* removable device */
	char vendor[BLK_VEN_SIZE + 1]; /* device vendor string */
	char product[BLK_PRD_SIZE + 1]; /* device product number */
	char revision[BLK_REV_SIZE + 1]; /* firmware revision */
	unsigned long lba;		/* number of blocks */
	unsigned long blksz;		/* block size */

}FSataInfo;

#define	FSATA_PORT_IRQ_COLD_PRES	BIT(31) /* cold presence detect */
#define	FSATA_PORT_IRQ_TF_ERR		BIT(30) /* task file error */
#define	FSATA_PORT_IRQ_HBUS_ERR	    BIT(29) /* host bus fatal error */
#define	FSATA_PORT_IRQ_HBUS_DATA_ERR	BIT(28) /* host bus data error */
#define	FSATA_PORT_IRQ_IF_ERR		BIT(27) /* interface fatal error */
#define	FSATA_PORT_IRQ_IF_NONFATAL	BIT(26) /* interface non-fatal error */
#define	FSATA_PORT_IRQ_OVERFLOW	    BIT(24) /* xfer exhausted available S/G */
#define	FSATA_PORT_IRQ_BAD_PMP	    BIT(23) /* incorrect port multiplier */

#define	FSATA_PORT_IRQ_PHYRDY		BIT(22) /* PhyRdy changed */
#define	FSATA_PORT_IRQ_DEV_ILCK	    BIT(7) /* device interlock */
#define	FSATA_PORT_IRQ_CONNECT	    BIT(6) /* port connect change status */
#define	FSATA_PORT_IRQ_SG_DONE	    BIT(5) /* descriptor processed */
#define	FSATA_PORT_IRQ_UNK_FIS	    BIT(4) /* unknown FIS rx'd */
#define	FSATA_PORT_IRQ_SDB_FIS	    BIT(3) /* Set Device Bits FIS rx'd */
#define	FSATA_PORT_IRQ_DMAS_FIS	    BIT(2) /* DMA Setup FIS rx'd */
#define	FSATA_PORT_IRQ_PIOS_FIS	    BIT(1) /* PIO Setup FIS rx'd */
#define	FSATA_PORT_IRQ_D2H_REG_FIS	BIT(0) /* D2H Register FIS rx'd */

const FSataConfig *FSataLookupConfig(void);

FError FSataCfgInitialize(FSataCtrl *instance_p, const FSataConfig *input_config_p);

FError FSataAhciInit(FSataCtrl *instance_p);

FError FSataAhciReadInfo(FSataCtrl *instance_p, u8 port);

FError FSataReadWrite(FSataCtrl *instance_p, u8 port, u32 start,
					  u16 blk_cnt, u8 *buffer, u8 is_write);

FError FSataFPDmaReadWrite(FSataCtrl *instance_p, u8 port, u32 start,
					  u16 blk_cnt, u8 *buffer, u8 is_write);

FError FSataSetHandler(FSataCtrl *instance_p, u32 handler_type,
					   void *func_pointer, void *call_back_ref);