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/*
* linux/include/asm-ppc/ide.h
*
* Copyright (C) 1994-1996 Linus Torvalds & authors
*/
/*
* This file contains the ppc architecture specific IDE code.
*/
#ifndef __ASMPPC_IDE_H
#define __ASMPPC_IDE_H
#include <linux/config.h>
#ifdef CONFIG_APUS
#include <linux/hdreg.h>
#define ide_init_hwif_ports m68k_ide_init_hwif_ports
#include <asm-m68k/ide.h>
#undef ide_init_hwif_ports
#undef insw
void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void ide_insw(ide_ioreg_t port, void *buf, int ns);
void ide_outsw(ide_ioreg_t port, void *buf, int ns);
#define insw(port, buf, ns) do { \
if ( _machine != _MACH_Pmac && _machine != _MACH_apus ) \
/* this must be the same as insw in io.h!! */ \
_insw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
else \
ide_insw((port), (buf), (ns)); \
} while (0)
#undef outsw
#define outsw(port, buf, ns) do { \
if ( _machine != _MACH_Pmac && _machine != _MACH_apus ) \
/* this must be the same as outsw in io.h!! */ \
_outsw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
else \
ide_outsw((port), (buf), (ns)); \
} while (0)
#else /* CONFIG_APUS */
#ifdef __KERNEL__
#include <linux/hdreg.h>
#include <linux/ioport.h>
#include <asm/io.h> /* so we can redefine insw/outsw */
#ifndef MAX_HWIFS
#define MAX_HWIFS 4
#endif
#undef SUPPORT_SLOW_DATA_PORTS
#define SUPPORT_SLOW_DATA_PORTS 0
#undef SUPPORT_VLB_SYNC
#define SUPPORT_VLB_SYNC 0
#define ide__sti() __sti()
typedef unsigned int ide_ioreg_t;
void ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void prep_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void mbx_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void pmac_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void chrp_ide_init_hwif_ports(ide_ioreg_t *p, ide_ioreg_t base, int *irq);
void ide_insw(ide_ioreg_t port, void *buf, int ns);
void ide_outsw(ide_ioreg_t port, void *buf, int ns);
extern int pmac_ide_ports_known;
extern ide_ioreg_t pmac_ide_regbase[MAX_HWIFS];
extern int pmac_ide_irq[MAX_HWIFS];
extern void pmac_ide_probe(void);
extern int chrp_ide_ports_known;
extern ide_ioreg_t chrp_ide_regbase[MAX_HWIFS];
extern ide_ioreg_t chrp_idedma_regbase; /* one for both channels */
extern unsigned int chrp_ide_irq;
extern void chrp_ide_probe(void);
static __inline__ int ide_default_irq(ide_ioreg_t base)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) )
return 0;
else if ( _machine == _MACH_chrp) {
if (chrp_ide_ports_known == 0)
chrp_ide_probe();
return chrp_ide_irq;
}
switch (base) {
case 0x1f0: return 13;
case 0x170: return 13;
case 0x1e8: return 11;
case 0x168: return 10;
default:
return 0;
}
}
static __inline__ ide_ioreg_t ide_default_io_base(int index)
{
#if defined(CONFIG_BLK_DEV_IDE_PMAC)
if (_machine == _MACH_Pmac) {
return pmac_ide_regbase[index];
}
#endif
if (_machine == _MACH_mbx) return index;
if ( _machine == _MACH_chrp ) {
if (chrp_ide_ports_known == 0)
chrp_ide_probe();
return chrp_ide_regbase[index];
}
switch (index) {
case 0: return 0x1f0;
case 1: return 0x170;
case 2: return 0x1e8;
case 3: return 0x168;
default:
return 0;
}
}
static __inline__ int ide_check_region (ide_ioreg_t from, unsigned int extent)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx))
return 0;
return check_region(from, extent);
}
static __inline__ void ide_request_region (ide_ioreg_t from, unsigned int extent, const char *name)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) )
return;
request_region(from, extent, name);
}
static __inline__ void ide_release_region (ide_ioreg_t from, unsigned int extent)
{
if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) )
return;
release_region(from, extent);
}
/* Convert the shorts/longs in hd_driveid from little to big endian;
chars are endian independant, of course, but strings need to be flipped.
(Despite what it says in drivers/block/ide.h, they come up as little endian...)
Changes to linux/hdreg.h may require changes here. */
static __inline__ void ide_fix_driveid (struct hd_driveid *id) {
if (( _machine == _MACH_Pmac ) || (_machine == _MACH_chrp)|| (_machine == _MACH_mbx) ) {
int i;
unsigned short *stringcast;
id->config = __le16_to_cpu(id->config);
id->cyls = __le16_to_cpu(id->cyls);
id->reserved2 = __le16_to_cpu(id->reserved2);
id->heads = __le16_to_cpu(id->heads);
id->track_bytes = __le16_to_cpu(id->track_bytes);
id->sector_bytes = __le16_to_cpu(id->sector_bytes);
id->sectors = __le16_to_cpu(id->sectors);
id->vendor0 = __le16_to_cpu(id->vendor0);
id->vendor1 = __le16_to_cpu(id->vendor1);
id->vendor2 = __le16_to_cpu(id->vendor2);
stringcast = (unsigned short *)&id->serial_no[0];
for (i=0; i<(20/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
id->buf_type = __le16_to_cpu(id->buf_type);
id->buf_size = __le16_to_cpu(id->buf_size);
id->ecc_bytes = __le16_to_cpu(id->ecc_bytes);
stringcast = (unsigned short *)&id->fw_rev[0];
for (i=0; i<(8/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
stringcast = (unsigned short *)&id->model[0];
for (i=0; i<(40/2); i++)
stringcast[i] = __le16_to_cpu(stringcast[i]);
id->dword_io = __le16_to_cpu(id->dword_io);
id->reserved50 = __le16_to_cpu(id->reserved50);
id->field_valid = __le16_to_cpu(id->field_valid);
id->cur_cyls = __le16_to_cpu(id->cur_cyls);
id->cur_heads = __le16_to_cpu(id->cur_heads);
id->cur_sectors = __le16_to_cpu(id->cur_sectors);
id->cur_capacity0 = __le16_to_cpu(id->cur_capacity0);
id->cur_capacity1 = __le16_to_cpu(id->cur_capacity1);
id->lba_capacity = __le32_to_cpu(id->lba_capacity);
id->dma_1word = __le16_to_cpu(id->dma_1word);
id->dma_mword = __le16_to_cpu(id->dma_mword);
id->eide_pio_modes = __le16_to_cpu(id->eide_pio_modes);
id->eide_dma_min = __le16_to_cpu(id->eide_dma_min);
id->eide_dma_time = __le16_to_cpu(id->eide_dma_time);
id->eide_pio = __le16_to_cpu(id->eide_pio);
id->eide_pio_iordy = __le16_to_cpu(id->eide_pio_iordy);
id->word69 = __le16_to_cpu(id->word69);
id->word70 = __le16_to_cpu(id->word70);
id->word71 = __le16_to_cpu(id->word71);
id->word72 = __le16_to_cpu(id->word72);
id->word73 = __le16_to_cpu(id->word73);
id->word74 = __le16_to_cpu(id->word74);
id->word75 = __le16_to_cpu(id->word75);
id->word76 = __le16_to_cpu(id->word76);
id->word77 = __le16_to_cpu(id->word77);
id->word78 = __le16_to_cpu(id->word78);
id->word79 = __le16_to_cpu(id->word79);
id->word80 = __le16_to_cpu(id->word80);
id->word81 = __le16_to_cpu(id->word81);
id->word82 = __le16_to_cpu(id->word82);
id->word83 = __le16_to_cpu(id->word83);
id->word84 = __le16_to_cpu(id->word84);
id->word85 = __le16_to_cpu(id->word85);
id->word86 = __le16_to_cpu(id->word86);
id->word87 = __le16_to_cpu(id->word87);
id->dma_ultra = __le16_to_cpu(id->dma_ultra);
for (i=0; i<167; i++)
id->reserved[i] = __le16_to_cpu(id->reserved[i]);
}
}
#undef insw
#define insw(port, buf, ns) do { \
if ( _machine == _MACH_chrp) {\
ide_insw((port)+_IO_BASE, (buf), (ns)); \
}\
else if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) ) \
ide_insw((port), (buf), (ns)); \
else \
/* this must be the same as insw in io.h!! */ \
_insw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
} while (0)
#undef outsw
/* printk("port: %x buf: %p ns: %d\n",port,buf,ns); \ */
#define outsw(port, buf, ns) do { \
if ( _machine == _MACH_chrp) {\
ide_outsw((port)+_IO_BASE, (buf), (ns)); \
}\
else if ( (_machine == _MACH_Pmac) || (_machine == _MACH_mbx) ) \
ide_outsw((port), (buf), (ns)); \
else \
/* this must be the same as outsw in io.h!! */ \
_outsw((unsigned short *)((port)+_IO_BASE), (buf), (ns)); \
} while (0)
#undef inb
#define inb(port) \
in_8((unsigned char *)((port) + ((_machine==_MACH_Pmac)? 0: _IO_BASE)))
#undef inb_p
#define inb_p(port) inb(port)
#undef outb
#define outb(val, port) \
out_8((unsigned char *)((port) + ((_machine==_MACH_Pmac)? 0: _IO_BASE)), (val))
#undef outb_p
#define outb_p(val, port) outb(val, port)
typedef union {
unsigned all : 8; /* all of the bits together */
struct {
unsigned bit7 : 1; /* always 1 */
unsigned lba : 1; /* using LBA instead of CHS */
unsigned bit5 : 1; /* always 1 */
unsigned unit : 1; /* drive select number, 0/1 */
unsigned head : 4; /* always zeros here */
} b;
} select_t;
static __inline__ int ide_request_irq(unsigned int irq, void (*handler)(int, void *, struct pt_regs *),
unsigned long flags, const char *device, void *dev_id)
{
return request_irq(irq, handler, flags, device, dev_id);
}
static __inline__ void ide_free_irq(unsigned int irq, void *dev_id)
{
free_irq(irq, dev_id);
}
/*
* The following are not needed for the non-m68k ports
*/
#define ide_ack_intr(base, irq) (1)
#define ide_release_lock(lock) do {} while (0)
#define ide_get_lock(lock, hdlr, data) do {} while (0)
#endif /* __KERNEL__ */
#endif /* CONFIG_APUS */
#endif /* __ASMPPC_IDE_H */
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