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/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* Generic IDE disk driver File: dev_ide_common.c
*
* This file contains common constants and structures for IDE
* disks and CFE drivers for them.
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
/* *********************************************************************
* Constants
********************************************************************* */
#define IDE_REG_DATA 0x0
#define IDE_REG_ERROR 0x1
#define IDE_REG_PRECOMP 0x1
#define IDE_REG_SECCNT 0x2
#define IDE_REG_IR 0x2 /* ATAPI */
#define IDE_REG_SECNUM 0x3
#define IDE_REG_BCLSB 0x4 /* ATAPI */
#define IDE_REG_BCMSB 0x5 /* ATAPI */
#define IDE_REG_CYLLSB 0x4
#define IDE_REG_CYLMSB 0x5
#define IDE_REG_DRVHD 0x6
#define IDE_REG_STATUS 0x7
#define IDE_REG_COMMAND 0x7
#define IDE_REG_ALTSTAT 0x6 /* Note: ALTSTAT is really 0x3F6, what do we do? */
#define IDE_REG_DIGOUT 0x6
#define IDE_IR_CD 0x01 /* 1 = command, 0 = data */
#define IDE_IR_IO 0x02 /* 1 = from device, 0 = to device */
#define IDE_IR_REL 0x04
#define IDE_ERR_BBK 0x80 /* sector marked bad by host */
#define IDE_ERR_UNC 0x40 /* uncorrectable error */
#define IDE_ERR_MC 0x20 /* medium changed */
#define IDE_ERR_NID 0x10 /* no ID mark found */
#define IDE_ERR_MCR 0x08 /* medium change required */
#define IDE_ERR_ABT 0x04 /* command aborted */
#define IDE_ERR_NT0 0x02 /* track 0 not found */
#define IDE_ERR_NDM 0x01 /* address mark not found */
#define IDE_DRV_SLAVE 0x10
#define IDE_DRV_LBA 0x40
#define IDE_DRV_MBO 0xA0
#define IDE_DRV_HDMASK 0x0F
#define IDE_STS_BSY 0x80 /* drive is busy */
#define IDE_STS_RDY 0x40 /* drive is ready */
#define IDE_STS_WFT 0x20 /* write fault */
#define IDE_STS_SKC 0x10 /* seek complete */
#define IDE_STS_DRQ 0x08 /* data can be transferred */
#define IDE_STS_CORR 0x04 /* correctable data error */
#define IDE_STS_IDX 0x02 /* index mark just passed */
#define IDE_STS_ERR 0x01 /* Error register contains info */
#define IDE_CMD_RECAL 0x10
#define IDE_CMD_READ 0x20
#define IDE_CMD_READRETRY 0x21
#define IDE_CMD_WRITE 0x30
#define IDE_CMD_READVERIFY 0x40
#define IDE_CMD_DIAGNOSTIC 0x90
#define IDE_CMD_INITPARAMS 0x91
#define IDE_CMD_SETMULTIPLE 0xC6
#define IDE_CMD_POWER_MODE 0xE5
#define IDE_CMD_DRIVE_INFO 0xEC
#define IDE_CMD_ATAPI_SOFTRESET 0x08
#define IDE_CMD_ATAPI_PACKET 0xA0
#define IDE_CMD_ATAPI_IDENTIFY 0xA1
#define IDE_CMD_ATAPI_SERVICE 0xA2
#define IDE_DOR_SRST 0x04
#define IDE_DOR_IEN 0x02
#define DISK_SECTORSIZE 512
#define CDROM_SECTORSIZE 2048
#define MAX_SECTORSIZE 2048
#define ATAPI_SENSE_MASK 0xF0
#define ATAPI_SENSE_NONE 0x00
#define ATAPI_SENSE_RECOVERED 0x10
#define ATAPI_SENSE_NOTREADY 0x20
#define ATAPI_SENSE_MEDIUMERROR 0x30
#define ATAPI_SENSE_HWERROR 0x40
#define ATAPI_SENSE_ILLREQUEST 0x50
#define ATAPI_SENSE_ATTENTION 0x60
#define ATAPI_SENSE_PROTECT 0x70
#define ATAPI_SENSE_BLANKCHECK 0x80
#define ATAPI_SENSE_VSPECIFIC 0x90
#define ATAPI_SENSE_COPYABORT 0xA0
#define ATAPI_SENSE_CMDABORT 0xB0
#define ATAPI_SENSE_EQUAL 0xC0
#define ATAPI_SENSE_VOLOVERFLOW 0xD0
#define ATAPI_SENSE_MISCOMPARE 0xE0
#define ATAPI_SENSE_RESERVED 0xF0
#define ATAPI_SIG_LSB 0x14
#define ATAPI_SIG_MSB 0xEB
#define CDB_CMD_READ 0x28
#define CDB_CMD_WRITE 0x2A
#define CDB_CMD_REQSENSE 0x03
/* *********************************************************************
* Structures
********************************************************************* */
typedef struct idecommon_dispatch_s idecommon_dispatch_t;
struct idecommon_dispatch_s {
void *ref;
uint32_t baseaddr;
uint8_t (*inb)(idecommon_dispatch_t *disp,uint32_t reg);
uint16_t (*inw)(idecommon_dispatch_t *disp,uint32_t reg);
void (*ins)(idecommon_dispatch_t *disp,uint32_t reg,uint8_t *buf,int len);
void (*outb)(idecommon_dispatch_t *disp,uint32_t reg,uint8_t val);
void (*outw)(idecommon_dispatch_t *disp,uint32_t reg,uint16_t val);
void (*outs)(idecommon_dispatch_t *disp,uint32_t reg,uint8_t *buf,int len);
};
#define IDEDISP_WRITEREG8(ide,reg,val) (*((ide)->outb))(ide,reg,val)
#define IDEDISP_WRITEREG16(ide,reg,val) (*((ide)->outw))(ide,reg,val)
#define IDEDISP_WRITEBUF(ide,reg,buf,len) (*((ide)->outs))(ide,reg,buf,len)
#define IDEDISP_READREG8(ide,reg) (*((ide)->inb))(ide,reg)
#define IDEDISP_READREG16(ide,reg) (*((ide)->inw))(ide,reg)
#define IDEDISP_READBUF(ide,reg,buf,len) (*((ide)->ins))(ide,reg,buf,len)
typedef struct idecommon_s idecommon_t;
struct idecommon_s {
idecommon_dispatch_t *idecommon_dispatch;
unsigned long idecommon_addr; /* physical address */
int idecommon_unit; /* 0 or 1 master/slave */
int idecommon_sectorsize; /* size of each sector */
long long idecommon_ttlsect; /* total sectors */
int idecommon_atapi; /* 1 if ATAPI device */
int idecommon_devtype; /* device type */
uint64_t idecommon_deferprobe; /* Defer probe to open */
uint32_t idecommon_flags; /* flags for underlying driver */
int (*idecommon_readfunc)(idecommon_t *ide,uint64_t lba,int numsec,uint8_t *buffer);
int (*idecommon_writefunc)(idecommon_t *ide,uint64_t lba,int numsec,uint8_t *buffer);
uint32_t timer;
};
/* *********************************************************************
* Prototypes
********************************************************************* */
extern void idecommon_init(idecommon_t *ide,int devtype);
extern int idecommon_open(cfe_devctx_t *ctx);
extern int idecommon_read(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
extern int idecommon_inpstat(cfe_devctx_t *ctx,iocb_inpstat_t *inpstat);
extern int idecommon_write(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
extern int idecommon_ioctl(cfe_devctx_t *ctx,iocb_buffer_t *buffer);
extern int idecommon_identify(idecommon_t *ide,unsigned char *buffer);
extern int idecommon_close(cfe_devctx_t *ctx);
extern int idecommon_devprobe(idecommon_t *ide,int noisy);
void idecommon_attach(cfe_devdisp_t *disp);
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