#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/libata.h>
#include <linux/slab.h>
#include "libata.h"
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>

Data Structures
struct	dmareg

struct	dma_chan_regs

struct	dma_interrupt_regs

struct	ahb_dma_regs

struct	lli

struct	sata_dwc_regs

struct	sata_dwc_device

struct	sata_dwc_device_port

struct	sata_dwc_host_priv

Macros
#define	DRV_NAME "sata-dwc"

#define	DRV_VERSION "1.3"

#define	DMA_NUM_CHANS 1

#define	DMA_NUM_CHAN_REGS 8

#define	AHB_DMA_BRST_DFLT 64 /* 16 data items burst length*/

#define	DMA_CTL_BLK_TS(size) ((size) & 0x000000FFF) /* Blk Transfer size */

#define	DMA_CHANNEL(ch) (0x00000001 << (ch)) /* Select channel */

#define	DMA_ENABLE_CHAN(ch)

#define	DMA_DISABLE_CHAN(ch) (0x00000000 \| ((0x000000001 << (ch)) << 8))

#define	DMA_CTL_TTFC(type) (((type) & 0x7) << 20)

#define	DMA_CTL_SMS(num) (((num) & 0x3) << 25) /* Src Master Select */

#define	DMA_CTL_DMS(num) (((num) & 0x3) << 23)/* Dst Master Select */

#define	DMA_CTL_SRC_MSIZE(size) (((size) & 0x7) << 14)

#define	DMA_CTL_DST_MSIZE(size) (((size) & 0x7) << 11)

#define	DMA_CTL_SRC_TRWID(size) (((size) & 0x7) << 4)

#define	DMA_CTL_DST_TRWID(size) (((size) & 0x7) << 1)

#define	DMA_CFG_HW_HS_DEST(int_num) (((int_num) & 0xF) << 11)

#define	DMA_CFG_HW_HS_SRC(int_num) (((int_num) & 0xF) << 7)

#define	DMA_CFG_HW_CH_PRIOR(int_num) (((int_num) & 0xF) << 5)

#define	DMA_LLP_LMS(addr, master) (((addr) & 0xfffffffc) \| (master))

#define	SATA_DWC_SCR0_SPD_GET(v) (((v) >> 4) & 0x0000000F)

#define	SATA_DWC_DMACR_TX_CLEAR(v)

#define	SATA_DWC_DMACR_RX_CLEAR(v)

#define	SATA_DWC_DBTSR_MWR(size) (((size)/4) & SATA_DWC_TXFIFO_DEPTH)

#define	SATA_DWC_DBTSR_MRD(size)

#define	SATA_DWC_QCMD_MAX 32

#define	HSDEV_FROM_HOST(host)

#define	HSDEV_FROM_AP(ap)

#define	HSDEVP_FROM_AP(ap)

#define	HSDEV_FROM_QC(qc)

#define	HSDEV_FROM_HSDEVP(p)

Enumerations
enum	{ SATA_DWC_DMAC_LLI_SZ = (sizeof(struct lli)), SATA_DWC_DMAC_LLI_NUM = 256, SATA_DWC_DMAC_LLI_TBL_SZ, SATA_DWC_DMAC_TWIDTH_BYTES = 4, SATA_DWC_DMAC_CTRL_TSIZE_MAX }

enum	{ DMA_EN = 0x00000001, DMA_CTL_LLP_SRCEN = 0x10000000, DMA_CTL_LLP_DSTEN = 0x08000000 }

enum	{ DMA_CTL_LLP_DISABLE_LE32 = 0xffffffe7, DMA_CTL_TTFC_P2M_DMAC = 0x00000002, DMA_CTL_TTFC_M2P_PER = 0x00000003, DMA_CTL_SINC_INC = 0x00000000, DMA_CTL_SINC_DEC = 0x00000200, DMA_CTL_SINC_NOCHANGE = 0x00000400, DMA_CTL_DINC_INC = 0x00000000, DMA_CTL_DINC_DEC = 0x00000080, DMA_CTL_DINC_NOCHANGE = 0x00000100, DMA_CTL_INT_EN = 0x00000001, DMA_CFG_FCMOD_REQ = 0x00000001, DMA_CFG_PROTCTL = (0x00000003 << 2), DMA_CFG_RELD_DST = 0x80000000, DMA_CFG_RELD_SRC = 0x40000000, DMA_CFG_HS_SELSRC = 0x00000800, DMA_CFG_HS_SELDST = 0x00000400, DMA_CFG_FIFOEMPTY = (0x00000001 << 9), DMA_LLP_AHBMASTER1 = 0, DMA_LLP_AHBMASTER2 = 1, SATA_DWC_MAX_PORTS = 1, SATA_DWC_SCR_OFFSET = 0x24, SATA_DWC_REG_OFFSET = 0x64 }

enum	{ SCR_SCONTROL_DET_ENABLE = 0x00000001, SCR_SSTATUS_DET_PRESENT = 0x00000001, SCR_SERROR_DIAG_X = 0x04000000, SATA_DWC_TXFIFO_DEPTH = 0x01FF, SATA_DWC_RXFIFO_DEPTH = 0x01FF, SATA_DWC_DMACR_TMOD_TXCHEN = 0x00000004, SATA_DWC_DMACR_TXCHEN = (0x00000001 \| SATA_DWC_DMACR_TMOD_TXCHEN), SATA_DWC_DMACR_RXCHEN = (0x00000002 \| SATA_DWC_DMACR_TMOD_TXCHEN), SATA_DWC_DMACR_TXRXCH_CLEAR = SATA_DWC_DMACR_TMOD_TXCHEN, SATA_DWC_INTPR_DMAT = 0x00000001, SATA_DWC_INTPR_NEWFP = 0x00000002, SATA_DWC_INTPR_PMABRT = 0x00000004, SATA_DWC_INTPR_ERR = 0x00000008, SATA_DWC_INTPR_NEWBIST = 0x00000010, SATA_DWC_INTPR_IPF = 0x10000000, SATA_DWC_INTMR_DMATM = 0x00000001, SATA_DWC_INTMR_NEWFPM = 0x00000002, SATA_DWC_INTMR_PMABRTM = 0x00000004, SATA_DWC_INTMR_ERRM = 0x00000008, SATA_DWC_INTMR_NEWBISTM = 0x00000010, SATA_DWC_LLCR_SCRAMEN = 0x00000001, SATA_DWC_LLCR_DESCRAMEN = 0x00000002, SATA_DWC_LLCR_RPDEN = 0x00000004, SATA_DWC_SERROR_ERR_BITS = 0x0FFF0F03 }

enum	{ SATA_DWC_CMD_ISSUED_NOT = 0, SATA_DWC_CMD_ISSUED_PEND = 1, SATA_DWC_CMD_ISSUED_EXEC = 2, SATA_DWC_CMD_ISSUED_NODATA = 3, SATA_DWC_DMA_PENDING_NONE = 0, SATA_DWC_DMA_PENDING_TX = 1, SATA_DWC_DMA_PENDING_RX = 2 }

Functions
int	sata_dwc_hardreset (struct ata_link link, unsigned int class, unsigned long deadline)

	MODULE_DEVICE_TABLE (of, sata_dwc_match)

	module_platform_driver (sata_dwc_driver)

	MODULE_LICENSE ("GPL")

	MODULE_AUTHOR ("Mark Miesfeld <[email protected]>")

	MODULE_DESCRIPTION ("DesignWare Cores SATA controller low lever driver")

	MODULE_VERSION (DRV_VERSION)

Variables
struct sata_dwc_host_priv	host_pvt

Macro Definition Documentation

#define AHB_DMA_BRST_DFLT 64 /* 16 data items burst length*/

Definition at line 54 of file sata_dwc_460ex.c.

#define DMA_CFG_HW_CH_PRIOR ( int_num ) (((int_num) & 0xF) << 5)

Definition at line 161 of file sata_dwc_460ex.c.

#define DMA_CFG_HW_HS_DEST ( int_num ) (((int_num) & 0xF) << 11)

Definition at line 159 of file sata_dwc_460ex.c.

#define DMA_CFG_HW_HS_SRC ( int_num ) (((int_num) & 0xF) << 7)

Definition at line 160 of file sata_dwc_460ex.c.

#define DMA_CHANNEL ( ch ) (0x00000001 << (ch)) /* Select channel */

Definition at line 139 of file sata_dwc_460ex.c.

#define DMA_CTL_BLK_TS ( size ) ((size) & 0x000000FFF) /* Blk Transfer size */

Definition at line 138 of file sata_dwc_460ex.c.

#define DMA_CTL_DMS ( num ) (((num) & 0x3) << 23)/* Dst Master Select */

Definition at line 148 of file sata_dwc_460ex.c.

#define DMA_CTL_DST_MSIZE ( size ) (((size) & 0x7) << 11)

Definition at line 152 of file sata_dwc_460ex.c.

#define DMA_CTL_DST_TRWID ( size ) (((size) & 0x7) << 1)

Definition at line 156 of file sata_dwc_460ex.c.

#define DMA_CTL_SMS ( num ) (((num) & 0x3) << 25) /* Src Master Select */

Definition at line 147 of file sata_dwc_460ex.c.

#define DMA_CTL_SRC_MSIZE ( size ) (((size) & 0x7) << 14)

Definition at line 150 of file sata_dwc_460ex.c.

#define DMA_CTL_SRC_TRWID ( size ) (((size) & 0x7) << 4)

Definition at line 154 of file sata_dwc_460ex.c.

#define DMA_CTL_TTFC ( type ) (((type) & 0x7) << 20)

Definition at line 146 of file sata_dwc_460ex.c.

#define DMA_DISABLE_CHAN ( ch ) (0x00000000 | ((0x000000001 << (ch)) << 8))

Definition at line 144 of file sata_dwc_460ex.c.

#define DMA_ENABLE_CHAN ( ch )

Value:

((0x00000001 << (ch)) | \

((0x000000001 << (ch)) << 8))

Definition at line 141 of file sata_dwc_460ex.c.

#define DMA_LLP_LMS	(	addr,
		master
	)	(((addr) & 0xfffffffc) \| (master))

Definition at line 162 of file sata_dwc_460ex.c.

#define DMA_NUM_CHAN_REGS 8

Definition at line 51 of file sata_dwc_460ex.c.

#define DMA_NUM_CHANS 1

Definition at line 50 of file sata_dwc_460ex.c.

#define DRV_NAME "sata-dwc"

Definition at line 46 of file sata_dwc_460ex.c.

#define DRV_VERSION "1.3"

Definition at line 47 of file sata_dwc_460ex.c.

#define HSDEV_FROM_AP ( ap )

Value:

((struct sata_dwc_device *)\

(ap)->host->private_data)

Definition at line 295 of file sata_dwc_460ex.c.

#define HSDEV_FROM_HOST ( host )

Value:

((struct sata_dwc_device *)\

(host)->private_data)

Definition at line 293 of file sata_dwc_460ex.c.

#define HSDEV_FROM_HSDEVP ( p )

Value:

((struct sata_dwc_device *)\

(hsdevp)->hsdev)

Definition at line 301 of file sata_dwc_460ex.c.

#define HSDEV_FROM_QC ( qc )

Value:

((struct sata_dwc_device *)\

(qc)->ap->host->private_data)

Definition at line 299 of file sata_dwc_460ex.c.

#define HSDEVP_FROM_AP ( ap )

Value:

((struct sata_dwc_device_port *)\

(ap)->private_data)

Definition at line 297 of file sata_dwc_460ex.c.

#define SATA_DWC_DBTSR_MRD ( size )

Value:

((((size)/4) & SATA_DWC_RXFIFO_DEPTH)\

<< 16)

Definition at line 268 of file sata_dwc_460ex.c.

#define SATA_DWC_DBTSR_MWR ( size ) (((size)/4) & SATA_DWC_TXFIFO_DEPTH)

Definition at line 267 of file sata_dwc_460ex.c.

#define SATA_DWC_DMACR_RX_CLEAR ( v )

Value:

(((v) & ~SATA_DWC_DMACR_RXCHEN) |\

SATA_DWC_DMACR_TMOD_TXCHEN)

Definition at line 265 of file sata_dwc_460ex.c.

#define SATA_DWC_DMACR_TX_CLEAR ( v )

Value:

(((v) & ~SATA_DWC_DMACR_TXCHEN) |\

SATA_DWC_DMACR_TMOD_TXCHEN)

Definition at line 263 of file sata_dwc_460ex.c.

#define SATA_DWC_QCMD_MAX 32

Definition at line 279 of file sata_dwc_460ex.c.

#define SATA_DWC_SCR0_SPD_GET ( v ) (((v) >> 4) & 0x0000000F)

Definition at line 262 of file sata_dwc_460ex.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

SATA_DWC_DMAC_LLI_SZ
SATA_DWC_DMAC_LLI_NUM
SATA_DWC_DMAC_LLI_TBL_SZ
SATA_DWC_DMAC_TWIDTH_BYTES
SATA_DWC_DMAC_CTRL_TSIZE_MAX

Definition at line 121 of file sata_dwc_460ex.c.

anonymous enum

Enumerator:

DMA_EN
DMA_CTL_LLP_SRCEN
DMA_CTL_LLP_DSTEN

Definition at line 132 of file sata_dwc_460ex.c.

anonymous enum

Enumerator:

DMA_CTL_LLP_DISABLE_LE32
DMA_CTL_TTFC_P2M_DMAC
DMA_CTL_TTFC_M2P_PER
DMA_CTL_SINC_INC
DMA_CTL_SINC_DEC
DMA_CTL_SINC_NOCHANGE
DMA_CTL_DINC_INC
DMA_CTL_DINC_DEC
DMA_CTL_DINC_NOCHANGE
DMA_CTL_INT_EN
DMA_CFG_FCMOD_REQ
DMA_CFG_PROTCTL
DMA_CFG_RELD_DST
DMA_CFG_RELD_SRC
DMA_CFG_HS_SELSRC
DMA_CFG_HS_SELDST
DMA_CFG_FIFOEMPTY
DMA_LLP_AHBMASTER1
DMA_LLP_AHBMASTER2
SATA_DWC_MAX_PORTS
SATA_DWC_SCR_OFFSET
SATA_DWC_REG_OFFSET

Definition at line 169 of file sata_dwc_460ex.c.

anonymous enum

Enumerator:

SCR_SCONTROL_DET_ENABLE
SCR_SSTATUS_DET_PRESENT
SCR_SERROR_DIAG_X
SATA_DWC_TXFIFO_DEPTH
SATA_DWC_RXFIFO_DEPTH
SATA_DWC_DMACR_TMOD_TXCHEN
SATA_DWC_DMACR_TXCHEN
SATA_DWC_DMACR_RXCHEN
SATA_DWC_DMACR_TXRXCH_CLEAR
SATA_DWC_INTPR_DMAT
SATA_DWC_INTPR_NEWFP
SATA_DWC_INTPR_PMABRT
SATA_DWC_INTPR_ERR
SATA_DWC_INTPR_NEWBIST
SATA_DWC_INTPR_IPF
SATA_DWC_INTMR_DMATM
SATA_DWC_INTMR_NEWFPM
SATA_DWC_INTMR_PMABRTM
SATA_DWC_INTMR_ERRM
SATA_DWC_INTMR_NEWBISTM
SATA_DWC_LLCR_SCRAMEN
SATA_DWC_LLCR_DESCRAMEN
SATA_DWC_LLCR_RPDEN
SATA_DWC_SERROR_ERR_BITS

Definition at line 233 of file sata_dwc_460ex.c.

anonymous enum

Enumerator:

SATA_DWC_CMD_ISSUED_NOT
SATA_DWC_CMD_ISSUED_PEND
SATA_DWC_CMD_ISSUED_EXEC
SATA_DWC_CMD_ISSUED_NODATA
SATA_DWC_DMA_PENDING_NONE
SATA_DWC_DMA_PENDING_TX
SATA_DWC_DMA_PENDING_RX

Definition at line 304 of file sata_dwc_460ex.c.

Function Documentation

MODULE_AUTHOR ( "Mark Miesfeld <[email protected]>" )

MODULE_DESCRIPTION ( "DesignWare Cores SATA controller low lever driver" )

MODULE_DEVICE_TABLE	(	of	,
		sata_dwc_match
	)

MODULE_LICENSE ( "GPL" )

module_platform_driver ( sata_dwc_driver )

MODULE_VERSION ( DRV_VERSION )

int sata_dwc_hardreset	(	struct ata_link *	link,
		unsigned int *	class,
		unsigned long	deadline
	)

Definition at line 1592 of file sata_dwc_460ex.c.

Variable Documentation

struct sata_dwc_host_priv host_pvt

Definition at line 324 of file sata_dwc_460ex.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation