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nexedi
linux
Commits
b4cd8709
Commit
b4cd8709
authored
Sep 11, 2002
by
Jens Axboe
Browse files
Options
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Plain Diff
promise update
parent
b40b0acf
Changes
6
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Inline
Side-by-side
Showing
6 changed files
with
3260 additions
and
800 deletions
+3260
-800
drivers/ide/pci/pdc202xx.c
drivers/ide/pci/pdc202xx.c
+551
-800
drivers/ide/pci/pdc202xx.h
drivers/ide/pci/pdc202xx.h
+436
-0
drivers/ide/pci/pdc202xx_new.c
drivers/ide/pci/pdc202xx_new.c
+666
-0
drivers/ide/pci/pdc202xx_new.h
drivers/ide/pci/pdc202xx_new.h
+343
-0
drivers/ide/pci/pdc202xx_old.c
drivers/ide/pci/pdc202xx_old.c
+938
-0
drivers/ide/pci/pdc202xx_old.h
drivers/ide/pci/pdc202xx_old.h
+326
-0
No files found.
drivers/ide/pci/pdc202xx.c
View file @
b4cd8709
...
...
@@ -46,76 +46,19 @@
#include <asm/irq.h>
#include "ide_modes.h"
#include "pdc202xx.h"
#define PDC202XX_DEBUG_DRIVE_INFO 0
#define PDC202XX_DECODE_REGISTER_INFO 0
#define DISPLAY_PDC202XX_TIMINGS
#ifndef SPLIT_BYTE
#define SPLIT_BYTE(B,H,L) ((H)=(B>>4), (L)=(B-((B>>4)<<4)))
#endif
#define PDC202_DEBUG_CABLE 0
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
int
pdc202xx_get_info
(
char
*
,
char
**
,
off_t
,
int
);
extern
int
(
*
pdc202xx_display_info
)(
char
*
,
char
**
,
off_t
,
int
);
/* ide-proc.c */
byte
pdc202xx_proc
=
0
;
static
u8
pdc202xx_proc
=
0
;
#define PDC202_MAX_DEVS 5
static
struct
pci_dev
*
pdc202_devs
[
PDC202_MAX_DEVS
];
static
int
n_pdc202_devs
;
const
char
*
pdc_quirk_drives
[]
=
{
"QUANTUM FIREBALLlct08 08"
,
"QUANTUM FIREBALLP KA6.4"
,
"QUANTUM FIREBALLP KA9.1"
,
"QUANTUM FIREBALLP LM20.4"
,
"QUANTUM FIREBALLP KX20.5"
,
"QUANTUM FIREBALLP KX27.3"
,
"QUANTUM FIREBALLP LM20.5"
,
NULL
};
char
*
pdc202xx_pio_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00000401
)
==
0x00000401
)
return
(
"PIO 4"
);
if
((
drive_pci
&
0x00000602
)
==
0x00000602
)
return
(
"PIO 3"
);
if
((
drive_pci
&
0x00000803
)
==
0x00000803
)
return
(
"PIO 2"
);
if
((
drive_pci
&
0x00000C05
)
==
0x00000C05
)
return
(
"PIO 1"
);
if
((
drive_pci
&
0x00001309
)
==
0x00001309
)
return
(
"PIO 0"
);
return
(
"PIO ?"
);
}
char
*
pdc202xx_dma_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"MWDMA 2"
);
if
((
drive_pci
&
0x00046000
)
==
0x00046000
)
return
(
"MWDMA 1"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"MWDMA 0"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"SWDMA 2"
);
if
((
drive_pci
&
0x00068000
)
==
0x00068000
)
return
(
"SWDMA 1"
);
if
((
drive_pci
&
0x000BC000
)
==
0x000BC000
)
return
(
"SWDMA 0"
);
return
(
"PIO---"
);
}
char
*
pdc202xx_ultra_verbose
(
u32
drive_pci
,
u16
slow_cable
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00012000
)
==
0x00012000
)
return
((
slow_cable
)
?
"UDMA 2"
:
"UDMA 4"
);
if
((
drive_pci
&
0x00024000
)
==
0x00024000
)
return
((
slow_cable
)
?
"UDMA 1"
:
"UDMA 3"
);
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"UDMA 0"
);
return
(
pdc202xx_dma_verbose
(
drive_pci
));
}
static
char
*
pdc202xx_info
(
char
*
buf
,
struct
pci_dev
*
dev
)
{
char
*
p
=
buf
;
...
...
@@ -129,16 +72,16 @@ static char * pdc202xx_info (char *buf, struct pci_dev *dev)
* at that point bibma+0x2 et bibma+0xa are byte registers
* to investigate:
*/
u8
c0
=
inb_p
((
u
nsigned
short
)
bibma
+
0x02
);
u8
c1
=
inb_p
((
u
nsigned
short
)
bibma
+
0x0a
);
u8
c0
=
inb_p
((
u
16
)
bibma
+
0x02
);
u8
c1
=
inb_p
((
u
16
)
bibma
+
0x0a
);
u8
sc11
=
inb_p
((
u
nsigned
short
)
bibma
+
0x11
);
u8
sc1a
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1a
);
u8
sc1b
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1b
);
u8
sc1c
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1c
);
u8
sc1d
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1d
);
u8
sc1e
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1e
);
u8
sc1f
=
inb_p
((
u
nsigned
short
)
bibma
+
0x1f
);
u8
sc11
=
inb_p
((
u
16
)
bibma
+
0x11
);
u8
sc1a
=
inb_p
((
u
16
)
bibma
+
0x1a
);
u8
sc1b
=
inb_p
((
u
16
)
bibma
+
0x1b
);
u8
sc1c
=
inb_p
((
u
16
)
bibma
+
0x1c
);
u8
sc1d
=
inb_p
((
u
16
)
bibma
+
0x1d
);
u8
sc1e
=
inb_p
((
u
16
)
bibma
+
0x1e
);
u8
sc1f
=
inb_p
((
u
16
)
bibma
+
0x1f
);
pci_read_config_word
(
dev
,
0x50
,
&
reg50h
);
pci_read_config_dword
(
dev
,
0x60
,
&
reg60h
);
...
...
@@ -149,19 +92,19 @@ static char * pdc202xx_info (char *buf, struct pci_dev *dev)
p
+=
sprintf
(
p
,
"
\n
"
);
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20267
:
p
+=
sprintf
(
p
,
"
PDC20267
"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra100
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20265
:
p
+=
sprintf
(
p
,
"
PDC20265
"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra100 on M/B
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
p
+=
sprintf
(
p
,
"
PDC20263
"
);
break
;
p
+=
sprintf
(
p
,
"
FastTrak 66
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20262
:
p
+=
sprintf
(
p
,
"
PDC20262
"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra66
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20246
:
p
+=
sprintf
(
p
,
"
PDC20246
"
);
p
+=
sprintf
(
p
,
"
Ultra33
"
);
reg50h
|=
0x0c00
;
break
;
default:
p
+=
sprintf
(
p
,
"
PDC202XX
"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra Series
"
);
break
;
}
p
+=
sprintf
(
p
,
" Chipset.
\n
"
);
...
...
@@ -242,21 +185,21 @@ static char * pdc202xx_info_new (char *buf, struct pci_dev *dev)
p
+=
sprintf
(
p
,
"
\n
"
);
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
p
+=
sprintf
(
p
,
"
PDC20277"
)
;
p
+=
sprintf
(
p
,
"
SBFastTrak 133 Lite"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20276
:
p
+=
sprintf
(
p
,
"
PDC20276
"
);
break
;
p
+=
sprintf
(
p
,
"
MBFastTrak 133 Lite
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20275
:
p
+=
sprintf
(
p
,
"
PDC20275
"
);
break
;
p
+=
sprintf
(
p
,
"
MBUltra133
"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20271
:
p
+=
sprintf
(
p
,
"PDC20271"
);
break
;
p
+=
sprintf
(
p
,
"FastTrak TX2000"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20270
:
p
+=
sprintf
(
p
,
"FastTrak LP/TX2/TX4"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20269
:
p
+=
sprintf
(
p
,
"
PDC20269
TX2"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra133
TX2"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20268
:
p
+=
sprintf
(
p
,
"PDC20268 TX2"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20268R
:
p
+=
sprintf
(
p
,
"PDC20270 TX2/4"
);
break
;
p
+=
sprintf
(
p
,
"Ultra100 TX2"
);
break
;
default:
p
+=
sprintf
(
p
,
"
PDC202XX
"
);
break
;
p
+=
sprintf
(
p
,
"
Ultra series
"
);
break
;
break
;
}
p
+=
sprintf
(
p
,
" Chipset.
\n
"
);
...
...
@@ -278,7 +221,7 @@ static int pdc202xx_get_info (char *buffer, char **addr, off_t offset, int count
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20268
:
case
PCI_DEVICE_ID_PROMISE_202
68R
:
case
PCI_DEVICE_ID_PROMISE_202
70
:
p
=
pdc202xx_info_new
(
buffer
,
dev
);
break
;
default:
...
...
@@ -290,178 +233,40 @@ static int pdc202xx_get_info (char *buffer, char **addr, off_t offset, int count
}
#endif
/* defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS) */
/* A Register */
#define SYNC_ERRDY_EN 0xC0
#define SYNC_IN 0x80
/* control bit, different for master vs. slave drives */
#define ERRDY_EN 0x40
/* control bit, different for master vs. slave drives */
#define IORDY_EN 0x20
/* PIO: IOREADY */
#define PREFETCH_EN 0x10
/* PIO: PREFETCH */
#define PA3 0x08
/* PIO"A" timing */
#define PA2 0x04
/* PIO"A" timing */
#define PA1 0x02
/* PIO"A" timing */
#define PA0 0x01
/* PIO"A" timing */
/* B Register */
#define MB2 0x80
/* DMA"B" timing */
#define MB1 0x40
/* DMA"B" timing */
#define MB0 0x20
/* DMA"B" timing */
#define PB4 0x10
/* PIO_FORCE 1:0 */
#define PB3 0x08
/* PIO"B" timing */
/* PIO flow Control mode */
#define PB2 0x04
/* PIO"B" timing */
/* PIO 4 */
#define PB1 0x02
/* PIO"B" timing */
/* PIO 3 half */
#define PB0 0x01
/* PIO"B" timing */
/* PIO 3 other half */
/* C Register */
#define IORDYp_NO_SPEED 0x4F
#define SPEED_DIS 0x0F
#define DMARQp 0x80
#define IORDYp 0x40
#define DMAR_EN 0x20
#define DMAW_EN 0x10
#define MC3 0x08
/* DMA"C" timing */
#define MC2 0x04
/* DMA"C" timing */
#define MC1 0x02
/* DMA"C" timing */
#define MC0 0x01
/* DMA"C" timing */
#if PDC202XX_DECODE_REGISTER_INFO
#define REG_A 0x01
#define REG_B 0x02
#define REG_C 0x04
#define REG_D 0x08
static
void
decode_registers
(
byte
registers
,
byte
value
)
{
byte
bit
=
0
,
bit1
=
0
,
bit2
=
0
;
switch
(
registers
)
{
case
REG_A
:
bit2
=
0
;
printk
(
"A Register "
);
if
(
value
&
0x80
)
printk
(
"SYNC_IN "
);
if
(
value
&
0x40
)
printk
(
"ERRDY_EN "
);
if
(
value
&
0x20
)
printk
(
"IORDY_EN "
);
if
(
value
&
0x10
)
printk
(
"PREFETCH_EN "
);
if
(
value
&
0x08
)
{
printk
(
"PA3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PA2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PA1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PA0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(A) = %d "
,
bit2
);
break
;
case
REG_B
:
bit1
=
0
;
bit2
=
0
;
printk
(
"B Register "
);
if
(
value
&
0x80
)
{
printk
(
"MB2 "
);
bit1
|=
0x80
;
}
if
(
value
&
0x40
)
{
printk
(
"MB1 "
);
bit1
|=
0x40
;
}
if
(
value
&
0x20
)
{
printk
(
"MB0 "
);
bit1
|=
0x20
;
}
printk
(
"DMA(B) = %d "
,
bit1
>>
5
);
if
(
value
&
0x10
)
printk
(
"PIO_FORCED/PB4 "
);
if
(
value
&
0x08
)
{
printk
(
"PB3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PB2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PB1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PB0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(B) = %d "
,
bit2
);
break
;
case
REG_C
:
bit2
=
0
;
printk
(
"C Register "
);
if
(
value
&
0x80
)
printk
(
"DMARQp "
);
if
(
value
&
0x40
)
printk
(
"IORDYp "
);
if
(
value
&
0x20
)
printk
(
"DMAR_EN "
);
if
(
value
&
0x10
)
printk
(
"DMAW_EN "
);
if
(
value
&
0x08
)
{
printk
(
"MC3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"MC2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"MC1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"MC0 "
);
bit2
|=
0x01
;
}
printk
(
"DMA(C) = %d "
,
bit2
);
break
;
case
REG_D
:
printk
(
"D Register "
);
break
;
default:
return
;
}
printk
(
"
\n
%s "
,
(
registers
&
REG_D
)
?
"DP"
:
(
registers
&
REG_C
)
?
"CP"
:
(
registers
&
REG_B
)
?
"BP"
:
(
registers
&
REG_A
)
?
"AP"
:
"ERROR"
);
for
(
bit
=
128
;
bit
>
0
;
bit
/=
2
)
printk
(
"%s"
,
(
value
&
bit
)
?
"1"
:
"0"
);
printk
(
"
\n
"
);
}
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#if 0
static byte pdc202xx_ratemask (ide_drive_t *drive)
static
u8
pdc202xx_ratemask
(
ide_drive_t
*
drive
)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
byte mode = 0x00;
u8
mode
;
switch(dev->device) {
switch
(
HWIF
(
drive
)
->
pci_
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
{ mode |= 0x04; break; }
case PCI_DEVICE_ID_PROMISE_20268R:
mode
=
4
;
break
;
case
PCI_DEVICE_ID_PROMISE_20270
:
case
PCI_DEVICE_ID_PROMISE_20268
:
{ mode |= 0x03; break; }
mode
=
3
;
break
;
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
{ mode |= 0x03; break; }
mode
=
3
;
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
{ mode |= 0x02; break; }
mode
=
2
;
break
;
case
PCI_DEVICE_ID_PROMISE_20246
:
{ mode |= 0x01; break; }
return
1
;
default:
return (mode &= ~0xF8);
}
if (!eighty_ninty_three(drive)) {
mode &= ~0xFE;
mode |= 0x01;
}
return (mode &= ~0xF8);
}
static byte pdc202xx_ratefilter (ide_drive_t *drive, byte speed)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
byte mode = pdc202xx_ratemask(drive);
switch(mode) {
case 0x04: while (speed > XFER_UDMA_6) speed--; break;
case 0x03: while (speed > XFER_UDMA_5) speed--; break;
case 0x02: while (speed > XFER_UDMA_4) speed--; break;
case 0x01: while (speed > XFER_UDMA_2) speed--; break;
case 0x00:
default: while (speed > XFER_MW_DMA_2) speed--; break;
break;
return
0
;
}
#else
while (speed > XFER_PIO_4) speed--;
#endif /* CONFIG_BLK_DEV_IDEDMA */
// printk("%s: mode == %02x speed == %02x\n", drive->name, mode, speed);
return
speed
;
}
#else
static
byte
pdc202xx_ratefilter
(
ide_drive_t
*
drive
,
byte
speed
)
{
return
speed
;
if
(
!
eighty_ninty_three
(
drive
))
mode
=
min
(
mode
,
(
u8
)
1
);
return
mode
;
}
#endif
static
int
check_in_drive_lists
(
ide_drive_t
*
drive
,
const
char
**
list
)
{
...
...
@@ -483,23 +288,16 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list)
return
0
;
}
static
int
pdc202xx_tune_chipset
(
ide_drive_t
*
drive
,
byte
xferspeed
)
static
int
pdc202xx_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
byte
speed
=
pdc202xx_ratefilter
(
drive
,
xferspeed
);
unsigned
int
drive_conf
;
byte
drive_pci
,
AP
,
BP
,
CP
,
DP
;
byte
TA
=
0
,
TB
=
0
,
TC
=
0
;
u8
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
u8
speed
=
ide_rate_filter
(
pdc202xx_ratemask
(
drive
),
xferspeed
);
switch
(
drive
->
dn
)
{
case
0
:
drive_pci
=
0x60
;
break
;
case
1
:
drive_pci
=
0x64
;
break
;
case
2
:
drive_pci
=
0x68
;
break
;
case
3
:
drive_pci
=
0x6c
;
break
;
default:
return
-
1
;
}
u32
drive_conf
;
u8
AP
,
BP
,
CP
,
DP
;
u8
TA
=
0
,
TB
=
0
,
TC
=
0
;
if
((
drive
->
media
!=
ide_disk
)
&&
(
speed
<
XFER_SW_DMA_0
))
return
-
1
;
...
...
@@ -544,16 +342,16 @@ static int pdc202xx_tune_chipset (ide_drive_t *drive, byte xferspeed)
switch
(
speed
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
/* case XFER_UDMA_6: */
case
XFER_UDMA_6
:
speed
=
XFER_UDMA_5
;
case
XFER_UDMA_5
:
case
XFER_UDMA_4
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_3
:
TB
=
0x40
;
TC
=
0x02
;
break
;
case
XFER_UDMA_2
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_3
:
case
XFER_UDMA_1
:
TB
=
0x40
;
TC
=
0x02
;
break
;
case
XFER_UDMA_0
:
TB
=
0x60
;
TC
=
0x03
;
break
;
case
XFER_UDMA_0
:
case
XFER_MW_DMA_2
:
TB
=
0x60
;
TC
=
0x03
;
break
;
case
XFER_MW_DMA_1
:
TB
=
0x60
;
TC
=
0x04
;
break
;
case
XFER_MW_DMA_0
:
TB
=
0x60
;
TC
=
0x05
;
break
;
case
XFER_MW_DMA_0
:
case
XFER_SW_DMA_2
:
TB
=
0x60
;
TC
=
0x05
;
break
;
case
XFER_SW_DMA_1
:
TB
=
0x80
;
TC
=
0x06
;
break
;
case
XFER_SW_DMA_0
:
TB
=
0xC0
;
TC
=
0x0B
;
break
;
...
...
@@ -598,26 +396,26 @@ static int pdc202xx_tune_chipset (ide_drive_t *drive, byte xferspeed)
return
(
ide_config_drive_speed
(
drive
,
speed
));
}
static
int
pdc202xx_new_tune_chipset
(
ide_drive_t
*
drive
,
byte
xferspeed
)
static
int
pdc202xx_new_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
#ifdef CONFIG_BLK_DEV_IDEDMA
u
nsigned
long
indexreg
=
(
hwif
->
dma_base
+
1
)
;
u
nsigned
long
datareg
=
(
hwif
->
dma_base
+
3
)
;
#else
u
32
indexreg
=
hwif
->
dma_vendor1
;
u
32
datareg
=
hwif
->
dma_vendor3
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u
nsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
u
nsigned
long
indexreg
=
high_16
+
(
hwif
->
channel
?
0x09
:
0x01
);
u
nsigned
long
datareg
=
(
indexreg
+
2
);
u
32
high_16
=
pci_resource_start
(
dev
,
4
);
u
32
indexreg
=
high_16
+
(
hwif
->
channel
?
0x09
:
0x01
);
u
32
datareg
=
(
indexreg
+
2
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
byte
thold
=
0x10
;
byte
adj
=
(
drive
->
dn
%
2
)
?
0x08
:
0x00
;
byte
speed
=
pdc202xx_ratefilter
(
drive
,
xferspeed
);
u8
thold
=
0x10
;
u8
adj
=
(
drive
->
dn
%
2
)
?
0x08
:
0x00
;
u8
speed
=
ide_rate_filter
(
pdc202xx_ratemask
(
drive
)
,
xferspeed
);
#ifdef CONFIG_BLK_DEV_IDEDMA
if
(
speed
==
XFER_UDMA_2
)
{
OUT_BYTE
((
thold
+
adj
),
indexreg
);
OUT_BYTE
((
IN_BYTE
(
datareg
)
&
0x7f
),
datareg
);
hwif
->
OUTB
((
thold
+
adj
),
indexreg
);
hwif
->
OUTB
((
hwif
->
INB
(
datareg
)
&
0x7f
),
datareg
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
...
...
@@ -625,123 +423,24 @@ static int pdc202xx_new_tune_chipset (ide_drive_t *drive, byte xferspeed)
#ifdef CONFIG_BLK_DEV_IDEDMA
case
XFER_UDMA_7
:
speed
=
XFER_UDMA_6
;
case
XFER_UDMA_6
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x1a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x01
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xcb
,
datareg
);
break
;
case
XFER_UDMA_5
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x1a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x02
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xcb
,
datareg
);
break
;
case
XFER_UDMA_4
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x1a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x03
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xcd
,
datareg
);
break
;
case
XFER_UDMA_3
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x1a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x05
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xcd
,
datareg
);
break
;
case
XFER_UDMA_2
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x2a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x07
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xcd
,
datareg
);
break
;
case
XFER_UDMA_1
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x3a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x0a
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xd0
,
datareg
);
break
;
case
XFER_UDMA_0
:
OUT_BYTE
((
0x10
+
adj
),
indexreg
);
OUT_BYTE
(
0x4a
,
datareg
);
OUT_BYTE
((
0x11
+
adj
),
indexreg
);
OUT_BYTE
(
0x0f
,
datareg
);
OUT_BYTE
((
0x12
+
adj
),
indexreg
);
OUT_BYTE
(
0xd5
,
datareg
);
break
;
case
XFER_MW_DMA_2
:
OUT_BYTE
((
0x0e
+
adj
),
indexreg
);
OUT_BYTE
(
0x69
,
datareg
);
OUT_BYTE
((
0x0f
+
adj
),
indexreg
);
OUT_BYTE
(
0x25
,
datareg
);
break
;
case
XFER_MW_DMA_1
:
OUT_BYTE
((
0x0e
+
adj
),
indexreg
);
OUT_BYTE
(
0x6b
,
datareg
);
OUT_BYTE
((
0x0f
+
adj
),
indexreg
);
OUT_BYTE
(
0x27
,
datareg
);
break
;
case
XFER_MW_DMA_0
:
OUT_BYTE
((
0x0e
+
adj
),
indexreg
);
OUT_BYTE
(
0xdf
,
datareg
);
OUT_BYTE
((
0x0f
+
adj
),
indexreg
);
OUT_BYTE
(
0x5f
,
datareg
);
break
;
case
XFER_UDMA_6
:
set_ultra
(
0x1a
,
0x01
,
0xcb
);
break
;
case
XFER_UDMA_5
:
set_ultra
(
0x1a
,
0x02
,
0xcb
);
break
;
case
XFER_UDMA_4
:
set_ultra
(
0x1a
,
0x03
,
0xcd
);
break
;
case
XFER_UDMA_3
:
set_ultra
(
0x1a
,
0x05
,
0xcd
);
break
;
case
XFER_UDMA_2
:
set_ultra
(
0x2a
,
0x07
,
0xcd
);
break
;
case
XFER_UDMA_1
:
set_ultra
(
0x3a
,
0x0a
,
0xd0
);
break
;
case
XFER_UDMA_0
:
set_ultra
(
0x4a
,
0x0f
,
0xd5
);
break
;
case
XFER_MW_DMA_2
:
set_ata2
(
0x69
,
0x25
);
break
;
case
XFER_MW_DMA_1
:
set_ata2
(
0x6b
,
0x27
);
break
;
case
XFER_MW_DMA_0
:
set_ata2
(
0xdf
,
0x5f
);
break
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
case
XFER_PIO_4
:
OUT_BYTE
((
0x0c
+
adj
),
indexreg
);
OUT_BYTE
(
0x23
,
datareg
);
OUT_BYTE
((
0x0d
+
adj
),
indexreg
);
OUT_BYTE
(
0x09
,
datareg
);
OUT_BYTE
((
0x13
+
adj
),
indexreg
);
OUT_BYTE
(
0x25
,
datareg
);
break
;
case
XFER_PIO_3
:
OUT_BYTE
((
0x0c
+
adj
),
indexreg
);
OUT_BYTE
(
0x27
,
datareg
);
OUT_BYTE
((
0x0d
+
adj
),
indexreg
);
OUT_BYTE
(
0x0d
,
datareg
);
OUT_BYTE
((
0x13
+
adj
),
indexreg
);
OUT_BYTE
(
0x35
,
datareg
);
break
;
case
XFER_PIO_2
:
OUT_BYTE
((
0x0c
+
adj
),
indexreg
);
OUT_BYTE
(
0x23
,
datareg
);
OUT_BYTE
((
0x0d
+
adj
),
indexreg
);
OUT_BYTE
(
0x26
,
datareg
);
OUT_BYTE
((
0x13
+
adj
),
indexreg
);
OUT_BYTE
(
0x64
,
datareg
);
break
;
case
XFER_PIO_1
:
OUT_BYTE
((
0x0c
+
adj
),
indexreg
);
OUT_BYTE
(
0x46
,
datareg
);
OUT_BYTE
((
0x0d
+
adj
),
indexreg
);
OUT_BYTE
(
0x29
,
datareg
);
OUT_BYTE
((
0x13
+
adj
),
indexreg
);
OUT_BYTE
(
0xa4
,
datareg
);
break
;
case
XFER_PIO_0
:
OUT_BYTE
((
0x0c
+
adj
),
indexreg
);
OUT_BYTE
(
0xfb
,
datareg
);
OUT_BYTE
((
0x0d
+
adj
),
indexreg
);
OUT_BYTE
(
0x2b
,
datareg
);
OUT_BYTE
((
0x13
+
adj
),
indexreg
);
OUT_BYTE
(
0xac
,
datareg
);
break
;
case
XFER_PIO_4
:
set_pio
(
0x23
,
0x09
,
0x25
);
break
;
case
XFER_PIO_3
:
set_pio
(
0x27
,
0x0d
,
0x35
);
break
;
case
XFER_PIO_2
:
set_pio
(
0x23
,
0x26
,
0x64
);
break
;
case
XFER_PIO_1
:
set_pio
(
0x46
,
0x29
,
0xa4
);
break
;
case
XFER_PIO_0
:
set_pio
(
0xfb
,
0x2b
,
0xac
);
break
;
default:
break
;
;
}
return
(
ide_config_drive_speed
(
drive
,
speed
));
...
...
@@ -754,9 +453,9 @@ static int pdc202xx_new_tune_chipset (ide_drive_t *drive, byte xferspeed)
* 180, 120, 90, 90, 90, 60, 30
* 11, 5, 4, 3, 2, 1, 0
*/
static
int
config_chipset_for_pio
(
ide_drive_t
*
drive
,
byte
pio
)
static
int
config_chipset_for_pio
(
ide_drive_t
*
drive
,
u8
pio
)
{
byte
speed
=
0x0
0
;
u8
speed
=
0
;
pio
=
(
pio
==
5
)
?
4
:
pio
;
speed
=
XFER_PIO_0
+
ide_get_best_pio_mode
(
drive
,
255
,
pio
,
NULL
);
...
...
@@ -764,40 +463,38 @@ static int config_chipset_for_pio (ide_drive_t *drive, byte pio)
return
((
int
)
pdc202xx_tune_chipset
(
drive
,
speed
));
}
static
void
pdc202xx_tune_drive
(
ide_drive_t
*
drive
,
byte
pio
)
static
void
pdc202xx_tune_drive
(
ide_drive_t
*
drive
,
u8
pio
)
{
(
void
)
config_chipset_for_pio
(
drive
,
pio
);
}
#ifdef CONFIG_BLK_DEV_IDEDMA
static
u8
pdc202xx_new_cable_detect
(
ide_hwif_t
*
hwif
)
{
hwif
->
OUTB
(
0x0b
,
hwif
->
dma_vendor1
);
return
((
u8
)((
hwif
->
INB
(
hwif
->
dma_vendor3
)
&
0x04
)));
}
static
u8
pdc202xx_old_cable_detect
(
ide_hwif_t
*
hwif
)
{
u16
CIS
=
0
,
mask
=
(
hwif
->
channel
)
?
(
1
<<
11
)
:
(
1
<<
10
);
pci_read_config_word
(
hwif
->
pci_dev
,
0x50
,
&
CIS
);
return
((
u8
)(
CIS
&
mask
));
}
static
int
config_chipset_for_dma
(
ide_drive_t
*
drive
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
// byte mode = pdc202xx_ratemask(drive);
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
unsigned
long
dma_base
=
hwif
->
dma_base
;
unsigned
long
indexreg
=
dma_base
+
1
;
unsigned
long
datareg
=
dma_base
+
3
;
byte
iordy
=
0x13
;
byte
adj
=
(
drive
->
dn
%
2
)
?
0x08
:
0x00
;
byte
cable
=
0
;
byte
jumpbit
=
0
;
unsigned
int
drive_conf
;
byte
drive_pci
=
0
;
byte
test1
,
test2
,
speed
=
-
1
;
byte
AP
;
unsigned
short
EP
;
byte
CLKSPD
=
0
;
byte
udma_33
=
1
;
byte
udma_66
=
(
eighty_ninty_three
(
drive
))
?
1
:
0
;
byte
udma_100
=
0
;
byte
udma_133
=
0
;
byte
mask
=
hwif
->
channel
?
0x08
:
0x02
;
unsigned
short
c_mask
=
hwif
->
channel
?
(
1
<<
11
)
:
(
1
<<
10
);
byte
ultra_66
=
((
id
->
dma_ultra
&
0x0010
)
||
u32
drive_conf
=
0
;
u8
mask
=
hwif
->
channel
?
0x08
:
0x02
;
u8
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
u8
test1
=
0
,
test2
=
0
,
speed
=
-
1
;
u8
AP
=
0
,
CLKSPD
=
0
,
jumpbit
=
0
,
cable
=
0
;
u8
ultra_66
=
((
id
->
dma_ultra
&
0x0010
)
||
(
id
->
dma_ultra
&
0x0008
))
?
1
:
0
;
switch
(
dev
->
device
)
{
...
...
@@ -806,45 +503,35 @@ static int config_chipset_for_dma (ide_drive_t *drive)
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
udma_133
=
(
udma_66
)
?
1
:
0
;
udma_100
=
(
udma_66
)
?
1
:
0
;
OUT_BYTE
(
0x0b
,
(
hwif
->
dma_base
+
1
));
cable
=
((
IN_BYTE
((
hwif
->
dma_base
+
3
))
&
0x04
));
jumpbit
=
1
;
break
;
case
PCI_DEVICE_ID_PROMISE_20268R
:
udma_100
=
1
;
udma_66
=
1
;
OUT_BYTE
(
0x0b
,
(
hwif
->
dma_base
+
1
));
cable
=
((
IN_BYTE
((
hwif
->
dma_base
+
3
))
&
0x04
));
jumpbit
=
1
;
break
;
case
PCI_DEVICE_ID_PROMISE_20270
:
case
PCI_DEVICE_ID_PROMISE_20268
:
udma_100
=
(
udma_66
)
?
1
:
0
;
OUT_BYTE
(
0x0b
,
(
hwif
->
dma_base
+
1
));
cable
=
((
IN_BYTE
((
hwif
->
dma_base
+
3
))
&
0x04
));
cable
=
pdc202xx_new_cable_detect
(
hwif
);
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable, %s-pin cable, %d
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
,
cable
?
"40"
:
"80"
,
cable
);
#endif
/* PDC202_DEBUG_CABLE */
jumpbit
=
1
;
break
;
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
udma_100
=
(
udma_66
)
?
1
:
0
;
pci_read_config_word
(
dev
,
0x50
,
&
EP
);
cable
=
(
EP
&
c_mask
);
jumpbit
=
0
;
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
pci_read_config_word
(
dev
,
0x50
,
&
EP
);
cable
=
(
EP
&
c_mask
);
cable
=
pdc202xx_old_cable_detect
(
hwif
);
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable, %s-pin cable, %d
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
,
cable
?
"40"
:
"80"
,
cable
);
#endif
/* PDC202_DEBUG_CABLE */
jumpbit
=
0
;
break
;
default:
udma_100
=
0
;
udma_133
=
0
;
cable
=
1
;
jumpbit
=
0
;
cable
=
1
;
jumpbit
=
0
;
break
;
}
if
(
!
jumpbit
)
CLKSPD
=
IN_BYTE
(
high_16
+
0x11
);
CLKSPD
=
hwif
->
INB
(
hwif
->
dma_master
+
0x11
);
/*
* Set the control register to use the 66Mhz system
* clock for UDMA 3/4 mode operation. If one drive on
...
...
@@ -868,10 +555,9 @@ static int config_chipset_for_dma (ide_drive_t *drive)
/* Primary : zero out second bit */
/* Secondary : zero out fourth bit */
if
(
!
jumpbit
)
OUT_BYTE
(
CLKSPD
&
~
mask
,
(
high_16
+
0x11
));
hwif
->
OUTB
(
CLKSPD
&
~
mask
,
(
hwif
->
dma_master
+
0x11
));
printk
(
"Warning: %s channel requires an 80-pin cable for operation.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
printk
(
"%s reduced to Ultra33 mode.
\n
"
,
drive
->
name
);
udma_66
=
0
;
}
else
{
if
(
ultra_66
)
{
/*
...
...
@@ -881,262 +567,199 @@ static int config_chipset_for_dma (ide_drive_t *drive)
if
(
hwif
->
drives
[
!
(
drive
->
dn
%
2
)].
id
)
{
if
(
hwif
->
drives
[
!
(
drive
->
dn
%
2
)].
id
->
dma_ultra
&
0x0078
)
{
if
(
!
jumpbit
)
OUT_BYTE
(
CLKSPD
|
mask
,
(
high_16
+
0x11
));
hwif
->
OUTB
(
CLKSPD
|
mask
,
(
hwif
->
dma_master
+
0x11
));
}
else
{
if
(
!
jumpbit
)
OUT_BYTE
(
CLKSPD
&
~
mask
,
(
high_16
+
0x11
));
hwif
->
OUTB
(
CLKSPD
&
~
mask
,
(
hwif
->
dma_master
+
0x11
));
}
}
else
{
/* udma4 drive by itself */
if
(
!
jumpbit
)
OUT_BYTE
(
CLKSPD
|
mask
,
(
high_16
+
0x11
));
hwif
->
OUTB
(
CLKSPD
|
mask
,
(
hwif
->
dma_master
+
0x11
));
}
}
}
if
(
jumpbit
)
{
if
(
drive
->
media
!=
ide_disk
)
return
ide_dma_off_quietly
;
if
(
drive
->
media
!=
ide_disk
)
return
0
;
if
(
id
->
capability
&
4
)
{
/* IORDY_EN & PREFETCH_EN */
OUT_BYTE
((
iordy
+
adj
),
indexreg
);
OUT_BYTE
((
IN_BYTE
(
datareg
)
|
0x03
),
datareg
);
hwif
->
OUTB
((
0x13
+
((
drive
->
dn
%
2
)
?
0x08
:
0x00
)),
hwif
->
dma_vendor1
);
hwif
->
OUTB
((
hwif
->
INB
(
hwif
->
dma_vendor3
)
|
0x03
),
hwif
->
dma_vendor3
);
}
goto
jumpbit_is_set
;
}
switch
(
drive
->
dn
)
{
case
0
:
drive_pci
=
0x60
;
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
if
((
drive_conf
!=
0x004ff304
)
&&
(
drive_conf
!=
0x004ff3c4
))
goto
chipset_is_set
;
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
test1
);
if
(
!
(
test1
&
SYNC_ERRDY_EN
))
pci_write_config_byte
(
dev
,
(
drive_pci
),
test1
|
SYNC_ERRDY_EN
);
break
;
case
1
:
drive_pci
=
0x64
;
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
if
((
drive_conf
!=
0x004ff304
)
&&
(
drive_conf
!=
0x004ff3c4
))
goto
chipset_is_set
;
pci_read_config_byte
(
dev
,
0x60
,
&
test1
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
test2
);
if
((
test1
&
SYNC_ERRDY_EN
)
&&
!
(
test2
&
SYNC_ERRDY_EN
))
pci_write_config_byte
(
dev
,
(
drive_pci
),
test2
|
SYNC_ERRDY_EN
);
break
;
case
2
:
drive_pci
=
0x68
;
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
if
((
drive_conf
!=
0x004ff304
)
&&
(
drive_conf
!=
0x004ff3c4
))
goto
chipset_is_set
;
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
test1
);
if
(
!
(
test1
&
SYNC_ERRDY_EN
))
pci_write_config_byte
(
dev
,
(
drive_pci
),
test1
|
SYNC_ERRDY_EN
);
break
;
case
3
:
drive_pci
=
0x6c
;
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
if
((
drive_conf
!=
0x004ff304
)
&&
(
drive_conf
!=
0x004ff3c4
))
goto
chipset_is_set
;
pci_read_config_byte
(
dev
,
0x68
,
&
test1
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
test2
);
if
((
test1
&
SYNC_ERRDY_EN
)
&&
!
(
test2
&
SYNC_ERRDY_EN
))
pci_write_config_byte
(
dev
,
(
drive_pci
),
test2
|
SYNC_ERRDY_EN
);
break
;
default:
return
ide_dma_off
;
pci_read_config_byte
(
dev
,
drive_pci
,
&
test1
);
if
(
!
(
test1
&
SYNC_ERRDY_EN
))
{
if
(
drive
->
select
.
b
.
unit
&
0x01
)
{
pci_read_config_byte
(
dev
,
drive_pci
-
4
,
&
test2
);
if
((
test2
&
SYNC_ERRDY_EN
)
&&
!
(
test1
&
SYNC_ERRDY_EN
))
{
pci_write_config_byte
(
dev
,
drive_pci
,
test1
|
SYNC_ERRDY_EN
);
}
}
else
{
pci_write_config_byte
(
dev
,
drive_pci
,
test1
|
SYNC_ERRDY_EN
);
}
}
chipset_is_set:
if
(
drive
->
media
!=
ide_disk
)
{
hwif
->
tuneproc
(
drive
,
5
);
return
ide_dma_off_quietly
;
}
if
(
drive
->
media
==
ide_disk
)
{
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
if
(
id
->
capability
&
4
)
/* IORDY_EN */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
IORDY_EN
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
if
(
drive
->
media
==
ide_disk
)
/* PREFETCH_EN */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
PREFETCH_EN
);
}
jumpbit_is_set:
if
((
id
->
dma_ultra
&
0x0040
)
&&
(
udma_133
))
speed
=
XFER_UDMA_6
;
else
if
((
id
->
dma_ultra
&
0x0020
)
&&
(
udma_100
))
speed
=
XFER_UDMA_5
;
else
if
((
id
->
dma_ultra
&
0x0010
)
&&
(
udma_66
))
speed
=
XFER_UDMA_4
;
else
if
((
id
->
dma_ultra
&
0x0008
)
&&
(
udma_66
))
speed
=
XFER_UDMA_3
;
else
if
((
id
->
dma_ultra
&
0x0004
)
&&
(
udma_33
))
speed
=
XFER_UDMA_2
;
else
if
((
id
->
dma_ultra
&
0x0002
)
&&
(
udma_33
))
speed
=
XFER_UDMA_1
;
else
if
((
id
->
dma_ultra
&
0x0001
)
&&
(
udma_33
))
speed
=
XFER_UDMA_0
;
else
if
(
id
->
dma_mword
&
0x0004
)
speed
=
XFER_MW_DMA_2
;
else
if
(
id
->
dma_mword
&
0x0002
)
speed
=
XFER_MW_DMA_1
;
else
if
(
id
->
dma_mword
&
0x0001
)
speed
=
XFER_MW_DMA_0
;
else
if
((
id
->
dma_1word
&
0x0004
)
&&
(
!
jumpbit
))
speed
=
XFER_SW_DMA_2
;
else
if
((
id
->
dma_1word
&
0x0002
)
&&
(
!
jumpbit
))
speed
=
XFER_SW_DMA_1
;
else
if
((
id
->
dma_1word
&
0x0001
)
&&
(
!
jumpbit
))
speed
=
XFER_SW_DMA_0
;
else
{
speed
=
ide_dma_speed
(
drive
,
pdc202xx_ratemask
(
drive
));
if
(
!
(
speed
))
{
/* restore original pci-config space */
if
(
!
jumpbit
)
pci_write_config_dword
(
dev
,
drive_pci
,
drive_conf
);
hwif
->
tuneproc
(
drive
,
5
);
return
ide_dma_off_quietly
;
return
0
;
}
(
void
)
hwif
->
speedproc
(
drive
,
speed
);
return
((
int
)
((
id
->
dma_ultra
>>
14
)
&
3
)
?
ide_dma_on
:
((
id
->
dma_ultra
>>
11
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_ultra
>>
8
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_mword
>>
8
)
&
7
)
?
ide_dma_on
:
((
id
->
dma_1word
>>
8
)
&
7
)
?
ide_dma_on
:
ide_dma_off_quietly
);
return
ide_dma_enable
(
drive
);
}
static
int
config_drive_xfer_rate
(
ide_drive_t
*
drive
)
static
int
pdc202xx_
config_drive_xfer_rate
(
ide_drive_t
*
drive
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_dma_action_t
dma_func
=
ide_dma_off_quietly
;
struct
hd_driveid
*
id
=
drive
->
id
;
drive
->
init_speed
=
0
;
if
(
id
&&
(
id
->
capability
&
1
)
&&
hwif
->
autodma
)
{
if
(
id
&&
(
id
->
capability
&
1
)
&&
drive
->
autodma
)
{
/* Consult the list of known "bad" drives */
if
(
ide_dmaproc
(
ide_dma_bad_drive
,
drive
))
{
dma_func
=
ide_dma_off
;
if
(
hwif
->
ide_dma_bad_drive
(
drive
))
goto
fast_ata_pio
;
}
dma_func
=
ide_dma_off_quietly
;
if
(
id
->
field_valid
&
4
)
{
if
(
id
->
dma_ultra
&
0x007F
)
{
if
(
id
->
dma_ultra
&
hwif
->
ultra_mask
)
{
/* Force if Capable UltraDMA */
dma_func
=
config_chipset_for_dma
(
drive
);
if
((
id
->
field_valid
&
2
)
&&
(
dma_func
!=
ide_dma_on
))
int
dma
=
config_chipset_for_dma
(
drive
);
if
((
id
->
field_valid
&
2
)
&&
!
dma
)
goto
try_dma_modes
;
}
}
else
if
(
id
->
field_valid
&
2
)
{
try_dma_modes:
if
((
id
->
dma_mword
&
0x0007
)
||
(
id
->
dma_1word
&
0x0007
))
{
if
((
id
->
dma_mword
&
hwif
->
mwdma_mask
)
||
(
id
->
dma_1word
&
hwif
->
swdma_mask
))
{
/* Force if Capable regular DMA modes */
dma_func
=
config_chipset_for_dma
(
drive
);
if
(
dma_func
!=
ide_dma_on
)
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
}
else
if
(
ide_dmaproc
(
ide_dma_good_drive
,
drive
))
{
if
(
id
->
eide_dma_time
>
150
)
{
}
else
if
(
hwif
->
ide_dma_good_drive
(
drive
)
&&
(
id
->
eide_dma_time
<
150
)
)
{
goto
no_dma_set
;
}
/* Consult the list of known "good" drives */
dma_func
=
config_chipset_for_dma
(
drive
);
if
(
dma_func
!=
ide_dma_on
)
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
else
{
goto
fast_ata_pio
;
}
}
else
if
((
id
->
capability
&
8
)
||
(
id
->
field_valid
&
2
))
{
fast_ata_pio:
dma_func
=
ide_dma_off_quietly
;
no_dma_set:
hwif
->
tuneproc
(
drive
,
5
);
return
hwif
->
ide_dma_off_quietly
(
drive
);
}
return
hwif
->
dmaproc
(
dma_func
,
drive
);
return
hwif
->
ide_dma_on
(
drive
);
}
int
pdc202xx_quirkproc
(
ide_drive_t
*
drive
)
static
int
pdc202xx_quirkproc
(
ide_drive_t
*
drive
)
{
return
((
int
)
check_in_drive_lists
(
drive
,
pdc_quirk_drives
));
}
/*
* pdc202xx_dmaproc() initiates/aborts (U)DMA read/write operations on a drive.
*/
int
pdc202xx_dmaproc
(
ide_dma_action_t
func
,
ide_drive_t
*
drive
)
static
int
pdc202xx_old_ide_dma_begin
(
ide_drive_t
*
drive
)
{
byte
dma_stat
=
0
;
byte
sc1d
=
0
;
byte
newchip
=
0
;
byte
clock
=
0
;
byte
hardware48hack
=
0
;
if
(
drive
->
addressing
==
1
)
{
struct
request
*
rq
=
HWGROUP
(
drive
)
->
rq
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
unsigned
long
atapi_reg
=
high_16
+
(
hwif
->
channel
?
0x24
:
0x20
);
unsigned
long
dma_base
=
hwif
->
dma_base
;
u32
high_16
=
pci_resource_start
(
dev
,
4
);
u32
atapi_reg
=
high_16
+
(
hwif
->
channel
?
0x24
:
0x20
);
u32
word_count
=
0
;
u8
clock
=
hwif
->
INB
(
high_16
+
0x11
);
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20268R
:
case
PCI_DEVICE_ID_PROMISE_20268
:
newchip
=
1
;
break
;
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
hardware48hack
=
1
;
clock
=
IN_BYTE
(
high_16
+
0x11
);
default:
break
;
hwif
->
OUTB
(
clock
|
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
word_count
=
(
rq
->
nr_sectors
<<
8
);
word_count
=
(
rq
->
cmd
==
READ
)
?
word_count
|
0x05000000
:
word_count
|
0x06000000
;
hwif
->
OUTL
(
word_count
,
atapi_reg
);
}
return
__ide_dma_begin
(
drive
);
}
switch
(
func
)
{
case
ide_dma_check
:
return
config_drive_xfer_rate
(
drive
);
case
ide_dma_begin
:
/* Note that this is done *after* the cmd has
* been issued to the drive, as per the BM-IDE spec.
* The Promise Ultra33 doesn't work correctly when
* we do this part before issuing the drive cmd.
*/
if
((
drive
->
addressing
==
1
)
&&
(
hardware48hack
))
{
struct
request
*
rq
=
HWGROUP
(
drive
)
->
rq
;
unsigned
long
word_count
=
0
;
static
int
pdc202xx_old_ide_dma_end
(
ide_drive_t
*
drive
)
{
if
(
drive
->
addressing
==
1
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
u32
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
u32
atapi_reg
=
high_16
+
(
hwif
->
channel
?
0x24
:
0x20
);
u8
clock
=
0
;
OUT_BYTE
(
clock
|
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
word_count
=
(
rq
->
nr_sectors
<<
8
);
word_count
=
(
rq
->
cmd
==
READ
)
?
word_count
|
0x05000000
:
word_count
|
0x06000000
;
outl
(
word_count
,
atapi_reg
);
}
break
;
case
ide_dma_end
:
if
((
drive
->
addressing
==
1
)
&&
(
hardware48hack
))
{
outl
(
0
,
atapi_reg
);
/* zero out extra */
clock
=
IN_BYTE
(
high_16
+
0x11
);
OUT_BYTE
(
clock
&
~
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
hwif
->
OUTL
(
0
,
atapi_reg
);
/* zero out extra */
clock
=
hwif
->
INB
(
high_16
+
0x11
);
hwif
->
OUTB
(
clock
&
~
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
}
break
;
case
ide_dma_test_irq
:
/* returns 1 if dma irq issued, 0 otherwise */
dma_stat
=
IN_BYTE
(
dma_base
+
2
);
if
(
newchip
)
return
(
dma_stat
&
4
)
==
4
;
return
__ide_dma_end
(
drive
);
}
static
int
pdc202xx_old_ide_dma_test_irq
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
u8
dma_stat
=
hwif
->
INB
(
hwif
->
dma_status
);
u8
sc1d
=
hwif
->
INB
((
high_16
+
0x001d
));
sc1d
=
IN_BYTE
(
high_16
+
0x001d
);
if
(
hwif
->
channel
)
{
if
((
sc1d
&
0x50
)
==
0x50
)
goto
somebody_else
;
if
((
sc1d
&
0x50
)
==
0x50
)
goto
somebody_else
;
else
if
((
sc1d
&
0x40
)
==
0x40
)
return
(
dma_stat
&
4
)
==
4
;
}
else
{
if
((
sc1d
&
0x05
)
==
0x05
)
goto
somebody_else
;
if
((
sc1d
&
0x05
)
==
0x05
)
goto
somebody_else
;
else
if
((
sc1d
&
0x04
)
==
0x04
)
return
(
dma_stat
&
4
)
==
4
;
}
somebody_else:
return
(
dma_stat
&
4
)
==
4
;
/* return 1 if INTR asserted */
case
ide_dma_lostirq
:
case
ide_dma_timeout
:
if
(
hwif
->
resetproc
!=
NULL
)
hwif
->
resetproc
(
drive
);
default:
break
;
}
return
ide_dmaproc
(
func
,
drive
);
/* use standard DMA stuff */
}
static
int
pdc202xx_ide_dma_lostirq
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_lostirq
(
drive
);
}
static
int
pdc202xx_ide_dma_timeout
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_timeout
(
drive
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
void
pdc202xx_new_reset
(
ide_drive_t
*
drive
)
static
void
pdc202xx_new_reset
(
ide_drive_t
*
drive
)
{
/*
* Deleted this because it is redundant from the caller.
...
...
@@ -1145,27 +768,68 @@ void pdc202xx_new_reset (ide_drive_t *drive)
HWIF
(
drive
)
->
channel
?
"Secondary"
:
"Primary"
);
}
void
pdc202xx_reset_pci
(
struct
pci_dev
*
dev
)
static
void
pdc202xx_reset_host
(
ide_hwif_t
*
hwif
)
{
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
byte
udma_speed_flag
=
IN_BYTE
(
high_16
+
0x001f
);
#ifdef CONFIG_BLK_DEV_IDEDMA
// unsigned long high_16 = hwif->dma_base - (8*(hwif->channel));
unsigned
long
high_16
=
hwif
->
dma_master
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
unsigned
long
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
udma_speed_flag
=
hwif
->
INB
(
high_16
|
0x001f
);
OUT_BYTE
(
udma_speed_flag
|
0x10
,
high_16
+
0x001f
);
hwif
->
OUTB
((
udma_speed_flag
|
0x10
),
(
high_16
|
0x001f
)
);
mdelay
(
100
);
OUT_BYTE
(
udma_speed_flag
&
~
0x10
,
high_16
+
0x001f
);
hwif
->
OUTB
((
udma_speed_flag
&
~
0x10
),
(
high_16
|
0x001f
)
);
mdelay
(
2000
);
/* 2 seconds ?! */
}
void
pdc202xx_reset_host
(
ide_hwif_t
*
hwif
)
{
pdc202xx_reset_pci
(
hwif
->
pci_dev
);
printk
(
"PDC202XX: %s channel reset.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
}
void
pdc202xx_reset
(
ide_drive_t
*
drive
)
{
pdc202xx_reset_host
(
HWIF
(
drive
));
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
mate
=
hwif
->
mate
;
pdc202xx_reset_host
(
hwif
);
pdc202xx_reset_host
(
mate
);
#if 0
/*
* FIXME: Have to kick all the drives again :-/
* What a pain in the ACE!
*/
if (hwif->present) {
u16 hunit = 0;
hwif->initializing = 1;
for (hunit = 0; hunit < MAX_DRIVES; ++hunit) {
ide_drive_t *hdrive = &hwif->drives[hunit];
if (hdrive->present) {
if (hwif->ide_dma_check)
hwif->ide_dma_check(hdrive);
else
hwif->tuneproc(hdrive, 5);
}
}
hwif->initializing = 0;
}
if (mate->present) {
u16 munit = 0;
mate->initializing = 1;
for (munit = 0; munit < MAX_DRIVES; ++munit) {
ide_drive_t *mdrive = &mate->drives[munit];
if (mdrive->present) {
if (mate->ide_dma_check)
mate->ide_dma_check(mdrive);
else
mate->tuneproc(mdrive, 5);
}
}
mate->initializing = 0;
}
#else
hwif
->
tuneproc
(
drive
,
5
);
#endif
}
/*
...
...
@@ -1175,10 +839,14 @@ void pdc202xx_reset (ide_drive_t *drive)
*/
static
int
pdc202xx_tristate
(
ide_drive_t
*
drive
,
int
state
)
{
#if 0
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
#ifdef CONFIG_BLK_DEV_IDEDMA
// unsigned long high_16 = hwif->dma_base - (8*(hwif->channel));
unsigned
long
high_16
=
hwif
->
dma_master
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
unsigned
long
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
byte sc1f = IN_BYTE(high_16 + 0x001f);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
sc1f
=
hwif
->
INB
(
high_16
|
0x001f
);
if
(
!
hwif
)
return
-
EINVAL
;
...
...
@@ -1186,22 +854,15 @@ static int pdc202xx_tristate (ide_drive_t * drive, int state)
// hwif->bus_state = state;
if
(
state
)
{
OUT_BYTE(sc1f | 0x08, high_16 + 0x001f
);
hwif
->
OUTB
(
sc1f
|
0x08
,
(
high_16
|
0x001f
)
);
}
else
{
OUT_BYTE(sc1f & ~0x08, high_16 + 0x001f
);
hwif
->
OUTB
(
sc1f
&
~
0x08
,
(
high_16
|
0x001f
)
);
}
#endif
return
0
;
}
unsigned
int
__init
pci_ini
t_pdc202xx
(
struct
pci_dev
*
dev
,
const
char
*
name
)
static
unsigned
int
__init
init_chipse
t_pdc202xx
(
struct
pci_dev
*
dev
,
const
char
*
name
)
{
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
byte
udma_speed_flag
=
IN_BYTE
(
high_16
+
0x001f
);
byte
primary_mode
=
IN_BYTE
(
high_16
+
0x001a
);
byte
secondary_mode
=
IN_BYTE
(
high_16
+
0x001b
);
byte
newchip
=
0
;
if
(
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
)
{
pci_write_config_dword
(
dev
,
PCI_ROM_ADDRESS
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
|
PCI_ROM_ADDRESS_ENABLE
);
...
...
@@ -1209,22 +870,15 @@ unsigned int __init pci_init_pdc202xx (struct pci_dev *dev, const char *name)
name
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
);
}
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20268R
:
case
PCI_DEVICE_ID_PROMISE_20268
:
newchip
=
1
;
break
;
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
pdc202xx_reset_pci
(
dev
);
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
pdc202_devs
[
n_pdc202_devs
++
]
=
dev
;
if
(
!
pdc202xx_proc
)
{
pdc202xx_proc
=
1
;
ide_pci_register_host_proc
(
&
pdc202xx_procs
[
0
]);
}
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
/*
* software reset - this is required because the bios
* will set UDMA timing on if the hdd supports it. The
...
...
@@ -1235,165 +889,235 @@ unsigned int __init pci_init_pdc202xx (struct pci_dev *dev, const char *name)
* reset leaves the timing registers intact,
* but resets the drives.
*/
pdc202xx_reset_pci
(
dev
);
default:
if
((
dev
->
class
>>
8
)
!=
PCI_CLASS_STORAGE_IDE
)
{
byte
irq
=
0
,
irq2
=
0
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
pci_read_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
&
irq2
);
/* 0xbc */
if
(
irq
!=
irq2
)
{
pci_write_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
irq
);
/* 0xbc */
printk
(
"%s: pci-config space interrupt mirror fixed.
\n
"
,
name
);
#if 0
if ((dev->device == PCI_DEVICE_ID_PROMISE_20267) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20265) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20263) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20262)) {
unsigned long high_16 = pci_resource_start(dev, 4);
byte udma_speed_flag = inb(high_16 + 0x001f);
outb(udma_speed_flag | 0x10, high_16 + 0x001f);
mdelay(100);
outb(udma_speed_flag & ~0x10, high_16 + 0x001f);
mdelay(2000); /* 2 seconds ?! */
}
#endif
return
dev
->
irq
;
}
static
void
__init
init_hwif_pdc202xx
(
ide_hwif_t
*
hwif
)
{
hwif
->
autodma
=
0
;
hwif
->
tuneproc
=
&
pdc202xx_tune_drive
;
hwif
->
quirkproc
=
&
pdc202xx_quirkproc
;
if
(
hwif
->
pci_dev
->
device
==
PCI_DEVICE_ID_PROMISE_20267
)
hwif
->
addressing
=
(
hwif
->
channel
)
?
0
:
1
;
if
(
hwif
->
pci_dev
->
device
==
PCI_DEVICE_ID_PROMISE_20265
)
hwif
->
addressing
=
(
hwif
->
channel
)
?
0
:
1
;
if
(
hwif
->
pci_dev
->
device
!=
PCI_DEVICE_ID_PROMISE_20246
)
{
hwif
->
busproc
=
&
pdc202xx_tristate
;
hwif
->
resetproc
=
&
pdc202xx_reset
;
}
break
;
hwif
->
speedproc
=
&
pdc202xx_tune_chipset
;
if
(
!
hwif
->
dma_base
)
{
hwif
->
drives
[
0
].
autotune
=
hwif
->
drives
[
1
].
autotune
=
1
;
return
;
}
hwif
->
ultra_mask
=
0x3f
;
hwif
->
mwdma_mask
=
0x07
;
hwif
->
swdma_mask
=
0x07
;
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
ide_dma_check
=
&
pdc202xx_config_drive_xfer_rate
;
hwif
->
ide_dma_lostirq
=
&
pdc202xx_ide_dma_lostirq
;
hwif
->
ide_dma_timeout
=
&
pdc202xx_ide_dma_timeout
;
if
(
hwif
->
pci_dev
->
device
!=
PCI_DEVICE_ID_PROMISE_20246
)
{
if
(
!
(
hwif
->
udma_four
))
hwif
->
udma_four
=
(
pdc202xx_old_cable_detect
(
hwif
))
?
0
:
1
;
hwif
->
ide_dma_begin
=
&
pdc202xx_old_ide_dma_begin
;
hwif
->
ide_dma_end
=
&
pdc202xx_old_ide_dma_end
;
}
hwif
->
ide_dma_test_irq
=
&
pdc202xx_old_ide_dma_test_irq
;
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
hwif
->
drives
[
0
].
autodma
=
hwif
->
drives
[
1
].
autodma
=
hwif
->
autodma
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
);
#endif
/* PDC202_DEBUG_CABLE */
}
static
void
__init
init_hwif_pdc202new
(
ide_hwif_t
*
hwif
)
{
hwif
->
autodma
=
0
;
hwif
->
tuneproc
=
&
pdc202xx_tune_drive
;
hwif
->
quirkproc
=
&
pdc202xx_quirkproc
;
hwif
->
speedproc
=
&
pdc202xx_new_tune_chipset
;
hwif
->
resetproc
=
&
pdc202xx_new_reset
;
if
(
!
hwif
->
dma_base
)
{
hwif
->
drives
[
0
].
autotune
=
hwif
->
drives
[
1
].
autotune
=
1
;
return
;
}
if
(
newchip
)
goto
fttk_tx_series
;
hwif
->
ultra_mask
=
0x7f
;
hwif
->
mwdma_mask
=
0x07
;
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
ide_dma_check
=
&
pdc202xx_config_drive_xfer_rate
;
hwif
->
ide_dma_lostirq
=
&
pdc202xx_ide_dma_lostirq
;
hwif
->
ide_dma_timeout
=
&
pdc202xx_ide_dma_timeout
;
if
(
!
(
hwif
->
udma_four
))
hwif
->
udma_four
=
(
pdc202xx_new_cable_detect
(
hwif
))
?
0
:
1
;
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
hwif
->
drives
[
0
].
autodma
=
hwif
->
drives
[
1
].
autodma
=
hwif
->
autodma
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
);
#endif
/* PDC202_DEBUG_CABLE */
}
static
void
__init
init_dma_pdc202xx
(
ide_hwif_t
*
hwif
,
unsigned
long
dmabase
)
{
u8
udma_speed_flag
=
0
,
primary_mode
=
0
,
secondary_mode
=
0
;
if
(
hwif
->
channel
)
{
ide_setup_dma
(
hwif
,
dmabase
,
8
);
return
;
}
udma_speed_flag
=
hwif
->
INB
((
dmabase
|
0x1f
));
primary_mode
=
hwif
->
INB
((
dmabase
|
0x1a
));
secondary_mode
=
hwif
->
INB
((
dmabase
|
0x1b
));
printk
(
"%s: (U)DMA Burst Bit %sABLED "
\
"Primary %s Mode "
\
"Secondary %s Mode.
\n
"
,
name
,
"Secondary %s Mode.
\n
"
,
hwif
->
cds
->
name
,
(
udma_speed_flag
&
1
)
?
"EN"
:
"DIS"
,
(
primary_mode
&
1
)
?
"MASTER"
:
"PCI"
,
(
secondary_mode
&
1
)
?
"MASTER"
:
"PCI"
);
#ifdef CONFIG_PDC202XX_BURST
if
(
!
(
udma_speed_flag
&
1
))
{
printk
(
"%s: FORCING BURST BIT 0x%02x -> 0x%02x "
,
name
,
udma_speed_flag
,
(
udma_speed_flag
|
1
));
OUT_BYTE
(
udma_speed_flag
|
1
,
high_16
+
0x001f
);
printk
(
"%sCTIVE
\n
"
,
(
IN_BYTE
(
high_16
+
0x001f
)
&
1
)
?
"A"
:
"INA"
);
printk
(
"%s: FORCING BURST BIT 0x%02x->0x%02x "
,
hwif
->
cds
->
name
,
udma_speed_flag
,
(
udma_speed_flag
|
1
));
hwif
->
OUTB
(
udma_speed_flag
|
1
,(
dmabase
|
0x1f
));
printk
(
"%sACTIVE
\n
"
,
(
hwif
->
INB
(
dmabase
|
0x1f
)
&
1
)
?
""
:
"IN"
);
}
#endif
/* CONFIG_PDC202XX_BURST */
#ifdef CONFIG_PDC202XX_MASTER
if
(
!
(
primary_mode
&
1
))
{
printk
(
"%s: FORCING PRIMARY MODE BIT 0x%02x -> 0x%02x "
,
name
,
primary_mode
,
(
primary_mode
|
1
));
OUT_BYTE
(
primary_mode
|
1
,
high_16
+
0x001a
);
printk
(
"%s
\n
"
,
(
IN_BYTE
(
high_16
+
0x001a
)
&
1
)
?
"MASTER"
:
"PCI"
);
printk
(
"%s: FORCING PRIMARY MODE BIT "
"0x%02x -> 0x%02x "
,
hwif
->
cds
->
name
,
primary_mode
,
(
primary_mode
|
1
));
hwif
->
OUTB
(
primary_mode
|
1
,
(
dmabase
|
0x1a
));
printk
(
"%s
\n
"
,
(
hwif
->
INB
((
dmabase
|
0x1a
))
&
1
)
?
"MASTER"
:
"PCI"
);
}
if
(
!
(
secondary_mode
&
1
))
{
printk
(
"%s: FORCING SECONDARY MODE BIT 0x%02x -> 0x%02x "
,
name
,
secondary_mode
,
(
secondary_mode
|
1
));
OUT_BYTE
(
secondary_mode
|
1
,
high_16
+
0x001b
);
printk
(
"%s
\n
"
,
(
IN_BYTE
(
high_16
+
0x001b
)
&
1
)
?
"MASTER"
:
"PCI"
);
printk
(
"%s: FORCING SECONDARY MODE BIT "
"0x%02x -> 0x%02x "
,
hwif
->
cds
->
name
,
secondary_mode
,
(
secondary_mode
|
1
));
hwif
->
OUTB
(
secondary_mode
|
1
,
(
dmabase
|
0x1b
));
printk
(
"%s
\n
"
,
(
hwif
->
INB
((
dmabase
|
0x1b
))
&
1
)
?
"MASTER"
:
"PCI"
);
}
#endif
/* CONFIG_PDC202XX_MASTER */
fttk_tx_series:
pdc202_devs
[
n_pdc202_devs
++
]
=
dev
;
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
if
(
!
pdc202xx_proc
)
{
pdc202xx_proc
=
1
;
pdc202xx_display_info
=
&
pdc202xx_get_info
;
}
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
return
dev
->
irq
;
ide_setup_dma
(
hwif
,
dmabase
,
8
);
}
unsigned
int
__init
ata66_pdc202xx
(
ide_hwif_t
*
hwif
)
static
void
__init
init_dma_pdc202new
(
ide_hwif_t
*
hwif
,
unsigned
long
dmabase
)
{
unsigned
short
mask
=
(
hwif
->
channel
)
?
(
1
<<
11
)
:
(
1
<<
10
);
unsigned
short
CIS
;
switch
(
hwif
->
pci_dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20268
:
case
PCI_DEVICE_ID_PROMISE_20268R
:
OUT_BYTE
(
0x0b
,
(
hwif
->
dma_base
+
1
));
return
(
!
(
IN_BYTE
((
hwif
->
dma_base
+
3
))
&
0x04
));
case
PCI_DEVICE_ID_PROMISE_20267
:
hwif
->
addressing
=
(
hwif
->
channel
)
?
0
:
1
;
default:
pci_read_config_word
(
hwif
->
pci_dev
,
0x50
,
&
CIS
);
return
(
!
(
CIS
&
mask
));
}
ide_setup_dma
(
hwif
,
dmabase
,
8
);
}
void
__init
ide_init_pdc202xx
(
ide_hwif_t
*
hwif
)
{
hwif
->
tuneproc
=
&
pdc202xx_tune_drive
;
hwif
->
quirkproc
=
&
pdc202xx_quirkproc
;
hwif
->
drives
[
0
].
autotune
=
1
;
hwif
->
drives
[
1
].
autotune
=
1
;
hwif
->
autodma
=
0
;
#undef CONFIG_PDC202XX_32_UNMASK
#ifdef CONFIG_PDC202XX_32_UNMASK
hwif
->
drives
[
0
].
io_32bit
=
1
;
hwif
->
drives
[
1
].
io_32bit
=
1
;
hwif
->
drives
[
0
].
unmask
=
1
;
hwif
->
drives
[
1
].
unmask
=
1
;
#endif
/* CONFIG_PDC202XX_32_UNMASK */
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
extern
void
ide_setup_pci_devices
(
struct
pci_dev
*
,
struct
pci_dev
*
,
ide_pci_device_t
*
);
switch
(
hwif
->
pci_dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20268
:
case
PCI_DEVICE_ID_PROMISE_20268R
:
hwif
->
speedproc
=
&
pdc202xx_new_tune_chipset
;
hwif
->
resetproc
=
&
pdc202xx_new_reset
;
break
;
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
hwif
->
busproc
=
&
pdc202xx_tristate
;
hwif
->
resetproc
=
&
pdc202xx_reset
;
case
PCI_DEVICE_ID_PROMISE_20246
:
hwif
->
speedproc
=
&
pdc202xx_tune_chipset
;
default:
break
;
static
void
__init
init_setup_pdc202ata4
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
class
>>
8
)
!=
PCI_CLASS_STORAGE_IDE
)
{
u8
irq
=
0
,
irq2
=
0
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
/* 0xbc */
pci_read_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
&
irq2
);
if
(
irq
!=
irq2
)
{
pci_write_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
irq
);
/* 0xbc */
printk
(
"%s: pci-config space interrupt "
"mirror fixed.
\n
"
,
d
->
name
);
}
}
if
(
!
hwif
->
dma_base
)
return
;
#if 0
if (dev->device == PCI_DEVICE_ID_PROMISE_20262)
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
if (d->enablebits[0].reg != d->enablebits[1].reg) {
d->enablebits[0].reg = d->enablebits[1].reg;
d->enablebits[0].mask = d->enablebits[1].mask;
d->enablebits[0].val = d->enablebits[1].val;
}
#endif
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
dmaproc
=
&
pdc202xx_dmaproc
;
# ifdef CONFIG_IDEDMA_AUTO
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
# endif
/* CONFIG_IDEDMA_AUTO */
#endif
/* CONFIG_BLK_DEV_IDEDMA */
ide_setup_pci_device
(
dev
,
d
);
}
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
void
__init
fixup_device_pdc20265
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
static
void
__init
init_setup_pdc20265
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
bus
->
self
)
&&
(
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_INTEL
)
&&
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960
))
{
((
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960
)
||
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960RM
)))
{
printk
(
KERN_INFO
"ide: Skipping Promise PDC20265 "
"attached to I2O RAID controller.
\n
"
);
return
;
}
printk
(
"%s: IDE controller on PCI bus %02x dev %02x
\n
"
,
d
->
name
,
dev
->
bus
->
number
,
dev
->
devfn
);
#if 0
{
u8 pri = 0, sec = 0;
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
if (d->enablebits[0].reg != d->enablebits[1].reg) {
d->enablebits[0].reg = d->enablebits[1].reg;
d->enablebits[0].mask = d->enablebits[1].mask;
d->enablebits[0].val = d->enablebits[1].val;
}
}
#endif
ide_setup_pci_device
(
dev
,
d
);
}
static
void
__init
init_setup_pdc202xx
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
ide_setup_pci_device
(
dev
,
d
);
}
void
__init
fixup_device
_pdc20270
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
static
void
__init
init_setup
_pdc20270
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
struct
pci_dev
*
dev2
=
NULL
,
*
findev
;
ide_pci_device_t
*
d2
;
struct
pci_dev
*
findev
;
if
((
dev
->
bus
->
self
&&
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_DEC
)
&&
...
...
@@ -1406,25 +1130,52 @@ void __init fixup_device_pdc20270 (struct pci_dev *dev, ide_pci_device_t *d)
if
((
findev
->
vendor
==
dev
->
vendor
)
&&
(
findev
->
device
==
dev
->
device
)
&&
(
PCI_SLOT
(
findev
->
devfn
)
&
2
))
{
byte
irq
=
0
,
irq2
=
0
;
dev2
=
findev
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
pci_read_config_byte
(
dev2
,
PCI_INTERRUPT_LINE
,
&
irq2
);
u8
irq
=
0
,
irq2
=
0
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
pci_read_config_byte
(
findev
,
PCI_INTERRUPT_LINE
,
&
irq2
);
if
(
irq
!=
irq2
)
{
dev2
->
irq
=
dev
->
irq
;
pci_write_config_byte
(
dev2
,
PCI_INTERRUPT_LINE
,
irq
);
findev
->
irq
=
dev
->
irq
;
pci_write_config_byte
(
findev
,
PCI_INTERRUPT_LINE
,
irq
);
}
ide_setup_pci_devices
(
dev
,
findev
,
d
);
return
;
}
}
}
printk
(
"%s: IDE controller on PCI bus %02x dev %02x
\n
"
,
d
->
name
,
dev
->
bus
->
number
,
dev
->
devfn
);
ide_setup_pci_device
(
dev
,
d
);
if
(
!
dev2
)
}
static
void
__init
init_setup_pdc20276
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
bus
->
self
)
&&
(
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_INTEL
)
&&
((
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960
)
||
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960RM
)))
{
printk
(
KERN_INFO
"ide: Skipping Promise PDC20276 "
"attached to I2O RAID controller.
\n
"
);
return
;
d2
=
d
;
printk
(
"%s: IDE controller on PCI bus %02x dev %02x
\n
"
,
d2
->
name
,
dev2
->
bus
->
number
,
dev2
->
devfn
);
ide_setup_pci_device
(
dev2
,
d2
);
}
ide_setup_pci_device
(
dev
,
d
);
}
int
__init
pdc202xx_scan_pcidev
(
struct
pci_dev
*
dev
)
{
ide_pci_device_t
*
d
;
if
(
dev
->
vendor
!=
PCI_VENDOR_ID_PROMISE
)
return
0
;
for
(
d
=
pdc202xx_chipsets
;
d
&&
d
->
vendor
&&
d
->
device
;
++
d
)
{
if
(((
d
->
vendor
==
dev
->
vendor
)
&&
(
d
->
device
==
dev
->
device
))
&&
(
d
->
init_setup
))
{
d
->
init_setup
(
dev
,
d
);
return
1
;
}
}
return
0
;
}
drivers/ide/pci/pdc202xx.h
0 → 100644
View file @
b4cd8709
#ifndef PDC202XX_H
#define PDC202XX_H
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/ide.h>
#define DISPLAY_PDC202XX_TIMINGS
#ifndef SPLIT_BYTE
#define SPLIT_BYTE(B,H,L) ((H)=(B>>4), (L)=(B-((B>>4)<<4)))
#endif
#define PDC202XX_DEBUG_DRIVE_INFO 0
#define PDC202XX_DECODE_REGISTER_INFO 0
const
char
*
pdc_quirk_drives
[]
=
{
"QUANTUM FIREBALLlct08 08"
,
"QUANTUM FIREBALLP KA6.4"
,
"QUANTUM FIREBALLP KA9.1"
,
"QUANTUM FIREBALLP LM20.4"
,
"QUANTUM FIREBALLP KX13.6"
,
"QUANTUM FIREBALLP KX20.5"
,
"QUANTUM FIREBALLP KX27.3"
,
"QUANTUM FIREBALLP LM20.5"
,
NULL
};
static
inline
u8
*
pdc202xx_pio_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00000401
)
==
0x00000401
)
return
(
"PIO 4"
);
if
((
drive_pci
&
0x00000602
)
==
0x00000602
)
return
(
"PIO 3"
);
if
((
drive_pci
&
0x00000803
)
==
0x00000803
)
return
(
"PIO 2"
);
if
((
drive_pci
&
0x00000C05
)
==
0x00000C05
)
return
(
"PIO 1"
);
if
((
drive_pci
&
0x00001309
)
==
0x00001309
)
return
(
"PIO 0"
);
return
(
"PIO ?"
);
}
static
inline
u8
*
pdc202xx_dma_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"MWDMA 2"
);
if
((
drive_pci
&
0x00046000
)
==
0x00046000
)
return
(
"MWDMA 1"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"MWDMA 0"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"SWDMA 2"
);
if
((
drive_pci
&
0x00068000
)
==
0x00068000
)
return
(
"SWDMA 1"
);
if
((
drive_pci
&
0x000BC000
)
==
0x000BC000
)
return
(
"SWDMA 0"
);
return
(
"PIO---"
);
}
static
inline
u8
*
pdc202xx_ultra_verbose
(
u32
drive_pci
,
u16
slow_cable
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00012000
)
==
0x00012000
)
return
((
slow_cable
)
?
"UDMA 2"
:
"UDMA 4"
);
if
((
drive_pci
&
0x00024000
)
==
0x00024000
)
return
((
slow_cable
)
?
"UDMA 1"
:
"UDMA 3"
);
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"UDMA 0"
);
return
(
pdc202xx_dma_verbose
(
drive_pci
));
}
/* A Register */
#define SYNC_ERRDY_EN 0xC0
#define SYNC_IN 0x80
/* control bit, different for master vs. slave drives */
#define ERRDY_EN 0x40
/* control bit, different for master vs. slave drives */
#define IORDY_EN 0x20
/* PIO: IOREADY */
#define PREFETCH_EN 0x10
/* PIO: PREFETCH */
#define PA3 0x08
/* PIO"A" timing */
#define PA2 0x04
/* PIO"A" timing */
#define PA1 0x02
/* PIO"A" timing */
#define PA0 0x01
/* PIO"A" timing */
/* B Register */
#define MB2 0x80
/* DMA"B" timing */
#define MB1 0x40
/* DMA"B" timing */
#define MB0 0x20
/* DMA"B" timing */
#define PB4 0x10
/* PIO_FORCE 1:0 */
#define PB3 0x08
/* PIO"B" timing */
/* PIO flow Control mode */
#define PB2 0x04
/* PIO"B" timing */
/* PIO 4 */
#define PB1 0x02
/* PIO"B" timing */
/* PIO 3 half */
#define PB0 0x01
/* PIO"B" timing */
/* PIO 3 other half */
/* C Register */
#define IORDYp_NO_SPEED 0x4F
#define SPEED_DIS 0x0F
#define DMARQp 0x80
#define IORDYp 0x40
#define DMAR_EN 0x20
#define DMAW_EN 0x10
#define MC3 0x08
/* DMA"C" timing */
#define MC2 0x04
/* DMA"C" timing */
#define MC1 0x02
/* DMA"C" timing */
#define MC0 0x01
/* DMA"C" timing */
#if PDC202XX_DECODE_REGISTER_INFO
#define REG_A 0x01
#define REG_B 0x02
#define REG_C 0x04
#define REG_D 0x08
static
void
decode_registers
(
u8
registers
,
u8
value
)
{
u8
bit
=
0
,
bit1
=
0
,
bit2
=
0
;
switch
(
registers
)
{
case
REG_A
:
bit2
=
0
;
printk
(
"A Register "
);
if
(
value
&
0x80
)
printk
(
"SYNC_IN "
);
if
(
value
&
0x40
)
printk
(
"ERRDY_EN "
);
if
(
value
&
0x20
)
printk
(
"IORDY_EN "
);
if
(
value
&
0x10
)
printk
(
"PREFETCH_EN "
);
if
(
value
&
0x08
)
{
printk
(
"PA3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PA2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PA1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PA0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(A) = %d "
,
bit2
);
break
;
case
REG_B
:
bit1
=
0
;
bit2
=
0
;
printk
(
"B Register "
);
if
(
value
&
0x80
)
{
printk
(
"MB2 "
);
bit1
|=
0x80
;
}
if
(
value
&
0x40
)
{
printk
(
"MB1 "
);
bit1
|=
0x40
;
}
if
(
value
&
0x20
)
{
printk
(
"MB0 "
);
bit1
|=
0x20
;
}
printk
(
"DMA(B) = %d "
,
bit1
>>
5
);
if
(
value
&
0x10
)
printk
(
"PIO_FORCED/PB4 "
);
if
(
value
&
0x08
)
{
printk
(
"PB3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PB2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PB1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PB0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(B) = %d "
,
bit2
);
break
;
case
REG_C
:
bit2
=
0
;
printk
(
"C Register "
);
if
(
value
&
0x80
)
printk
(
"DMARQp "
);
if
(
value
&
0x40
)
printk
(
"IORDYp "
);
if
(
value
&
0x20
)
printk
(
"DMAR_EN "
);
if
(
value
&
0x10
)
printk
(
"DMAW_EN "
);
if
(
value
&
0x08
)
{
printk
(
"MC3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"MC2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"MC1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"MC0 "
);
bit2
|=
0x01
;
}
printk
(
"DMA(C) = %d "
,
bit2
);
break
;
case
REG_D
:
printk
(
"D Register "
);
break
;
default:
return
;
}
printk
(
"
\n
%s "
,
(
registers
&
REG_D
)
?
"DP"
:
(
registers
&
REG_C
)
?
"CP"
:
(
registers
&
REG_B
)
?
"BP"
:
(
registers
&
REG_A
)
?
"AP"
:
"ERROR"
);
for
(
bit
=
128
;
bit
>
0
;
bit
/=
2
)
printk
(
"%s"
,
(
value
&
bit
)
?
"1"
:
"0"
);
printk
(
"
\n
"
);
}
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#define set_2regs(a, b) \
do { \
hwif->OUTB((a + adj), indexreg); \
hwif->OUTB(b, datareg); \
} while(0)
#define set_ultra(a, b, c) \
do { \
set_2regs(0x10,(a)); \
set_2regs(0x11,(b)); \
set_2regs(0x12,(c)); \
} while(0)
#define set_ata2(a, b) \
do { \
set_2regs(0x0e,(a)); \
set_2regs(0x0f,(b)); \
} while(0)
#define set_pio(a, b, c) \
do { \
set_2regs(0x0c,(a)); \
set_2regs(0x0d,(b)); \
set_2regs(0x13,(c)); \
} while(0)
#define DISPLAY_PDC202XX_TIMINGS
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
u8
pdc202xx_proc
;
static
int
pdc202xx_get_info
(
char
*
,
char
**
,
off_t
,
int
);
static
ide_pci_host_proc_t
pdc202xx_procs
[]
__initdata
=
{
{
name:
"pdc202xx"
,
set:
1
,
get_info:
pdc202xx_get_info
,
parent:
NULL
,
},
};
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
static
void
init_setup_pdc202ata4
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
static
void
init_setup_pdc20265
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc202xx
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc20270
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc20276
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
static
unsigned
int
init_chipset_pdc202xx
(
struct
pci_dev
*
,
const
char
*
);
static
void
init_hwif_pdc202xx
(
ide_hwif_t
*
);
static
void
init_hwif_pdc202new
(
ide_hwif_t
*
);
static
void
init_dma_pdc202xx
(
ide_hwif_t
*
,
unsigned
long
);
static
void
init_dma_pdc202new
(
ide_hwif_t
*
,
unsigned
long
);
static
ide_pci_device_t
pdc202xx_chipsets
[]
__initdata
=
{
{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20246
,
name:
"PDC20246"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
16
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20262
,
name:
"PDC20262"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20263
,
name:
"PDC20263"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20265
,
name:
"PDC20265"
,
init_setup:
init_setup_pdc20265
,
init_chipset:
init_chipset_pdc202xx
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20267
,
name:
"PDC20267"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20268
,
name:
"PDC20268"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20269
,
name:
"PDC20269"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20270
,
name:
"PDC20270"
,
init_setup:
init_setup_pdc20270
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20271
,
name:
"PDC20271"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20275
,
name:
"PDC20275"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20276
,
name:
"PDC20276"
,
init_setup:
init_setup_pdc20276
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20277
,
name:
"PDC20277"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
0
,
device:
0
,
channels:
0
,
bootable:
EOL
,
}
};
#endif
/* PDC202XX_H */
drivers/ide/pci/pdc202xx_new.c
0 → 100644
View file @
b4cd8709
/*
* Promise TX2/TX4/TX2000/133 IDE driver
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
* Split from:
* linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 1999 Promise Technology, Inc.
* Author: Frank Tiernan (frankt@promise.com)
* Released under terms of General Public License
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <linux/hdreg.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/ide.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "ide_modes.h"
#include "pdc202xx_new.h"
#define PDC202_DEBUG_CABLE 0
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
u8
pdcnew_proc
=
0
;
#define PDC202_MAX_DEVS 5
static
struct
pci_dev
*
pdc202_devs
[
PDC202_MAX_DEVS
];
static
int
n_pdc202_devs
;
static
char
*
pdcnew_info
(
char
*
buf
,
struct
pci_dev
*
dev
)
{
char
*
p
=
buf
;
p
+=
sprintf
(
p
,
"
\n
"
);
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
p
+=
sprintf
(
p
,
"SBFastTrak 133 Lite"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20276
:
p
+=
sprintf
(
p
,
"MBFastTrak 133 Lite"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20275
:
p
+=
sprintf
(
p
,
"MBUltra133"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20271
:
p
+=
sprintf
(
p
,
"FastTrak TX2000"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20270
:
p
+=
sprintf
(
p
,
"FastTrak LP/TX2/TX4"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20269
:
p
+=
sprintf
(
p
,
"Ultra133 TX2"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20268
:
p
+=
sprintf
(
p
,
"Ultra100 TX2"
);
break
;
default:
p
+=
sprintf
(
p
,
"Ultra series"
);
break
;
break
;
}
p
+=
sprintf
(
p
,
" Chipset.
\n
"
);
return
(
char
*
)
p
;
}
static
int
pdcnew_get_info
(
char
*
buffer
,
char
**
addr
,
off_t
offset
,
int
count
)
{
char
*
p
=
buffer
;
int
i
;
for
(
i
=
0
;
i
<
n_pdc202_devs
;
i
++
)
{
struct
pci_dev
*
dev
=
pdc202_devs
[
i
];
p
=
pdcnew_info
(
buffer
,
dev
);
}
return
p
-
buffer
;
/* => must be less than 4k! */
}
#endif
/* defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS) */
static
u8
pdcnew_ratemask
(
ide_drive_t
*
drive
)
{
u8
mode
;
switch
(
HWIF
(
drive
)
->
pci_dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
mode
=
4
;
break
;
case
PCI_DEVICE_ID_PROMISE_20270
:
case
PCI_DEVICE_ID_PROMISE_20268
:
mode
=
3
;
break
;
default:
return
0
;
}
if
(
!
eighty_ninty_three
(
drive
))
mode
=
min
(
mode
,
(
u8
)
1
);
return
mode
;
}
static
int
check_in_drive_lists
(
ide_drive_t
*
drive
,
const
char
**
list
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
if
(
pdc_quirk_drives
==
list
)
{
while
(
*
list
)
{
if
(
strstr
(
id
->
model
,
*
list
++
))
{
return
2
;
}
}
}
else
{
while
(
*
list
)
{
if
(
!
strcmp
(
*
list
++
,
id
->
model
))
{
return
1
;
}
}
}
return
0
;
}
static
int
pdcnew_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u8
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
u8
speed
=
ide_rate_filter
(
pdcnew_ratemask
(
drive
),
xferspeed
);
u32
drive_conf
;
u8
AP
,
BP
,
CP
,
DP
;
u8
TA
=
0
,
TB
=
0
,
TC
=
0
;
if
((
drive
->
media
!=
ide_disk
)
&&
(
speed
<
XFER_SW_DMA_0
))
return
-
1
;
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x03
,
&
DP
);
if
(
speed
<
XFER_SW_DMA_0
)
{
if
((
AP
&
0x0F
)
||
(
BP
&
0x07
))
{
/* clear PIO modes of lower 8421 bits of A Register */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
&~
0x0F
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
/* clear PIO modes of lower 421 bits of B Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
&~
0x07
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
}
#ifdef CONFIG_BLK_DEV_IDEDMA
}
else
{
if
((
BP
&
0xF0
)
&&
(
CP
&
0x0F
))
{
/* clear DMA modes of upper 842 bits of B Register */
/* clear PIO forced mode upper 1 bit of B Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
&~
0xF0
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
/* clear DMA modes of lower 8421 bits of C Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
CP
&~
0x0F
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
}
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
switch
(
speed
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
case
XFER_UDMA_6
:
speed
=
XFER_UDMA_5
;
case
XFER_UDMA_5
:
case
XFER_UDMA_4
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_2
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_3
:
case
XFER_UDMA_1
:
TB
=
0x40
;
TC
=
0x02
;
break
;
case
XFER_UDMA_0
:
case
XFER_MW_DMA_2
:
TB
=
0x60
;
TC
=
0x03
;
break
;
case
XFER_MW_DMA_1
:
TB
=
0x60
;
TC
=
0x04
;
break
;
case
XFER_MW_DMA_0
:
case
XFER_SW_DMA_2
:
TB
=
0x60
;
TC
=
0x05
;
break
;
case
XFER_SW_DMA_1
:
TB
=
0x80
;
TC
=
0x06
;
break
;
case
XFER_SW_DMA_0
:
TB
=
0xC0
;
TC
=
0x0B
;
break
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
case
XFER_PIO_4
:
TA
=
0x01
;
TB
=
0x04
;
break
;
case
XFER_PIO_3
:
TA
=
0x02
;
TB
=
0x06
;
break
;
case
XFER_PIO_2
:
TA
=
0x03
;
TB
=
0x08
;
break
;
case
XFER_PIO_1
:
TA
=
0x05
;
TB
=
0x0C
;
break
;
case
XFER_PIO_0
:
default:
TA
=
0x09
;
TB
=
0x13
;
break
;
}
if
(
speed
<
XFER_SW_DMA_0
)
{
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
TA
);
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
|
TB
);
#ifdef CONFIG_BLK_DEV_IDEDMA
}
else
{
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
|
TB
);
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
CP
|
TC
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
}
#if PDC202XX_DECODE_REGISTER_INFO
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x03
,
&
DP
);
decode_registers
(
REG_A
,
AP
);
decode_registers
(
REG_B
,
BP
);
decode_registers
(
REG_C
,
CP
);
decode_registers
(
REG_D
,
DP
);
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#if PDC202XX_DEBUG_DRIVE_INFO
printk
(
"%s: %s drive%d 0x%08x "
,
drive
->
name
,
ide_xfer_verbose
(
speed
),
drive
->
dn
,
drive_conf
);
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
printk
(
"0x%08x
\n
"
,
drive_conf
);
#endif
/* PDC202XX_DEBUG_DRIVE_INFO */
return
(
ide_config_drive_speed
(
drive
,
speed
));
}
static
int
pdcnew_new_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
#ifdef CONFIG_BLK_DEV_IDEDMA
u32
indexreg
=
hwif
->
dma_vendor1
;
u32
datareg
=
hwif
->
dma_vendor3
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u32
high_16
=
pci_resource_start
(
dev
,
4
);
u32
indexreg
=
high_16
+
(
hwif
->
channel
?
0x09
:
0x01
);
u32
datareg
=
(
indexreg
+
2
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
thold
=
0x10
;
u8
adj
=
(
drive
->
dn
%
2
)
?
0x08
:
0x00
;
u8
speed
=
ide_rate_filter
(
pdcnew_ratemask
(
drive
),
xferspeed
);
#ifdef CONFIG_BLK_DEV_IDEDMA
if
(
speed
==
XFER_UDMA_2
)
{
hwif
->
OUTB
((
thold
+
adj
),
indexreg
);
hwif
->
OUTB
((
hwif
->
INB
(
datareg
)
&
0x7f
),
datareg
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
switch
(
speed
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
case
XFER_UDMA_7
:
speed
=
XFER_UDMA_6
;
case
XFER_UDMA_6
:
set_ultra
(
0x1a
,
0x01
,
0xcb
);
break
;
case
XFER_UDMA_5
:
set_ultra
(
0x1a
,
0x02
,
0xcb
);
break
;
case
XFER_UDMA_4
:
set_ultra
(
0x1a
,
0x03
,
0xcd
);
break
;
case
XFER_UDMA_3
:
set_ultra
(
0x1a
,
0x05
,
0xcd
);
break
;
case
XFER_UDMA_2
:
set_ultra
(
0x2a
,
0x07
,
0xcd
);
break
;
case
XFER_UDMA_1
:
set_ultra
(
0x3a
,
0x0a
,
0xd0
);
break
;
case
XFER_UDMA_0
:
set_ultra
(
0x4a
,
0x0f
,
0xd5
);
break
;
case
XFER_MW_DMA_2
:
set_ata2
(
0x69
,
0x25
);
break
;
case
XFER_MW_DMA_1
:
set_ata2
(
0x6b
,
0x27
);
break
;
case
XFER_MW_DMA_0
:
set_ata2
(
0xdf
,
0x5f
);
break
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
case
XFER_PIO_4
:
set_pio
(
0x23
,
0x09
,
0x25
);
break
;
case
XFER_PIO_3
:
set_pio
(
0x27
,
0x0d
,
0x35
);
break
;
case
XFER_PIO_2
:
set_pio
(
0x23
,
0x26
,
0x64
);
break
;
case
XFER_PIO_1
:
set_pio
(
0x46
,
0x29
,
0xa4
);
break
;
case
XFER_PIO_0
:
set_pio
(
0xfb
,
0x2b
,
0xac
);
break
;
default:
;
}
return
(
ide_config_drive_speed
(
drive
,
speed
));
}
/* 0 1 2 3 4 5 6 7 8
* 960, 480, 390, 300, 240, 180, 120, 90, 60
* 180, 150, 120, 90, 60
* DMA_Speed
* 180, 120, 90, 90, 90, 60, 30
* 11, 5, 4, 3, 2, 1, 0
*/
static
int
config_chipset_for_pio
(
ide_drive_t
*
drive
,
u8
pio
)
{
u8
speed
=
0
;
pio
=
(
pio
==
5
)
?
4
:
pio
;
speed
=
XFER_PIO_0
+
ide_get_best_pio_mode
(
drive
,
255
,
pio
,
NULL
);
return
((
int
)
pdcnew_tune_chipset
(
drive
,
speed
));
}
static
void
pdcnew_tune_drive
(
ide_drive_t
*
drive
,
u8
pio
)
{
(
void
)
config_chipset_for_pio
(
drive
,
pio
);
}
#ifdef CONFIG_BLK_DEV_IDEDMA
static
u8
pdcnew_new_cable_detect
(
ide_hwif_t
*
hwif
)
{
hwif
->
OUTB
(
0x0b
,
hwif
->
dma_vendor1
);
return
((
u8
)((
hwif
->
INB
(
hwif
->
dma_vendor3
)
&
0x04
)));
}
static
int
config_chipset_for_dma
(
ide_drive_t
*
drive
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u8
speed
=
-
1
;
u8
cable
=
0
;
u8
ultra_66
=
((
id
->
dma_ultra
&
0x0010
)
||
(
id
->
dma_ultra
&
0x0008
))
?
1
:
0
;
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20277
:
case
PCI_DEVICE_ID_PROMISE_20276
:
case
PCI_DEVICE_ID_PROMISE_20275
:
case
PCI_DEVICE_ID_PROMISE_20271
:
case
PCI_DEVICE_ID_PROMISE_20269
:
case
PCI_DEVICE_ID_PROMISE_20270
:
case
PCI_DEVICE_ID_PROMISE_20268
:
cable
=
pdcnew_new_cable_detect
(
hwif
);
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable, %s-pin cable, %d
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
,
cable
?
"40"
:
"80"
,
cable
);
#endif
/* PDC202_DEBUG_CABLE */
break
;
default:
/* If its not one we know we should never
arrive here.. */
BUG
();
}
/*
* Set the control register to use the 66Mhz system
* clock for UDMA 3/4 mode operation. If one drive on
* a channel is U66 capable but the other isn't we
* fall back to U33 mode. The BIOS INT 13 hooks turn
* the clock on then off for each read/write issued. I don't
* do that here because it would require modifying the
* kernel, seperating the fop routines from the kernel or
* somehow hooking the fops calls. It may also be possible to
* leave the 66Mhz clock on and readjust the timing
* parameters.
*/
if
((
ultra_66
)
&&
(
cable
))
{
#ifdef DEBUG
printk
(
"ULTRA 66/100/133: %s channel of Ultra 66/100/133 "
"requires an 80-pin cable for Ultra66 operation.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
printk
(
" Switching to Ultra33 mode.
\n
"
);
#endif
/* DEBUG */
/* Primary : zero out second bit */
/* Secondary : zero out fourth bit */
printk
(
"Warning: %s channel requires an 80-pin cable for operation.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
printk
(
"%s reduced to Ultra33 mode.
\n
"
,
drive
->
name
);
}
if
(
drive
->
media
!=
ide_disk
)
return
0
;
if
(
id
->
capability
&
4
)
{
/* IORDY_EN & PREFETCH_EN */
hwif
->
OUTB
((
0x13
+
((
drive
->
dn
%
2
)
?
0x08
:
0x00
)),
hwif
->
dma_vendor1
);
hwif
->
OUTB
((
hwif
->
INB
(
hwif
->
dma_vendor3
)
|
0x03
),
hwif
->
dma_vendor3
);
}
speed
=
ide_dma_speed
(
drive
,
pdcnew_ratemask
(
drive
));
if
(
!
(
speed
))
{
hwif
->
tuneproc
(
drive
,
5
);
return
0
;
}
(
void
)
hwif
->
speedproc
(
drive
,
speed
);
return
ide_dma_enable
(
drive
);
}
static
int
pdcnew_config_drive_xfer_rate
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
hd_driveid
*
id
=
drive
->
id
;
drive
->
init_speed
=
0
;
if
(
id
&&
(
id
->
capability
&
1
)
&&
drive
->
autodma
)
{
/* Consult the list of known "bad" drives */
if
(
hwif
->
ide_dma_bad_drive
(
drive
))
goto
fast_ata_pio
;
if
(
id
->
field_valid
&
4
)
{
if
(
id
->
dma_ultra
&
hwif
->
ultra_mask
)
{
/* Force if Capable UltraDMA */
int
dma
=
config_chipset_for_dma
(
drive
);
if
((
id
->
field_valid
&
2
)
&&
!
dma
)
goto
try_dma_modes
;
}
}
else
if
(
id
->
field_valid
&
2
)
{
try_dma_modes:
if
((
id
->
dma_mword
&
hwif
->
mwdma_mask
)
||
(
id
->
dma_1word
&
hwif
->
swdma_mask
))
{
/* Force if Capable regular DMA modes */
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
}
else
if
(
hwif
->
ide_dma_good_drive
(
drive
)
&&
(
id
->
eide_dma_time
<
150
))
{
goto
no_dma_set
;
/* Consult the list of known "good" drives */
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
else
{
goto
fast_ata_pio
;
}
}
else
if
((
id
->
capability
&
8
)
||
(
id
->
field_valid
&
2
))
{
fast_ata_pio:
no_dma_set:
hwif
->
tuneproc
(
drive
,
5
);
return
hwif
->
ide_dma_off_quietly
(
drive
);
}
return
hwif
->
ide_dma_on
(
drive
);
}
static
int
pdcnew_quirkproc
(
ide_drive_t
*
drive
)
{
return
((
int
)
check_in_drive_lists
(
drive
,
pdc_quirk_drives
));
}
static
int
pdcnew_ide_dma_lostirq
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_lostirq
(
drive
);
}
static
int
pdcnew_ide_dma_timeout
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_timeout
(
drive
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
static
void
pdcnew_new_reset
(
ide_drive_t
*
drive
)
{
/*
* Deleted this because it is redundant from the caller.
*/
printk
(
"PDC202XX: %s channel reset.
\n
"
,
HWIF
(
drive
)
->
channel
?
"Secondary"
:
"Primary"
);
}
static
void
pdcnew_reset_host
(
ide_hwif_t
*
hwif
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
// unsigned long high_16 = hwif->dma_base - (8*(hwif->channel));
unsigned
long
high_16
=
hwif
->
dma_master
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
unsigned
long
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
udma_speed_flag
=
hwif
->
INB
(
high_16
|
0x001f
);
hwif
->
OUTB
((
udma_speed_flag
|
0x10
),
(
high_16
|
0x001f
));
mdelay
(
100
);
hwif
->
OUTB
((
udma_speed_flag
&
~
0x10
),
(
high_16
|
0x001f
));
mdelay
(
2000
);
/* 2 seconds ?! */
printk
(
"PDC202XX: %s channel reset.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
}
void
pdcnew_reset
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
mate
=
hwif
->
mate
;
pdcnew_reset_host
(
hwif
);
pdcnew_reset_host
(
mate
);
#if 0
/*
* FIXME: Have to kick all the drives again :-/
* What a pain in the ACE!
*/
if (hwif->present) {
u16 hunit = 0;
hwif->initializing = 1;
for (hunit = 0; hunit < MAX_DRIVES; ++hunit) {
ide_drive_t *hdrive = &hwif->drives[hunit];
if (hdrive->present) {
if (hwif->ide_dma_check)
hwif->ide_dma_check(hdrive);
else
hwif->tuneproc(hdrive, 5);
}
}
hwif->initializing = 0;
}
if (mate->present) {
u16 munit = 0;
mate->initializing = 1;
for (munit = 0; munit < MAX_DRIVES; ++munit) {
ide_drive_t *mdrive = &mate->drives[munit];
if (mdrive->present) {
if (mate->ide_dma_check)
mate->ide_dma_check(mdrive);
else
mate->tuneproc(mdrive, 5);
}
}
mate->initializing = 0;
}
#else
hwif
->
tuneproc
(
drive
,
5
);
#endif
}
static
unsigned
int
__init
init_chipset_pdcnew
(
struct
pci_dev
*
dev
,
const
char
*
name
)
{
if
(
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
)
{
pci_write_config_dword
(
dev
,
PCI_ROM_ADDRESS
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
|
PCI_ROM_ADDRESS_ENABLE
);
printk
(
"%s: ROM enabled at 0x%08lx
\n
"
,
name
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
);
}
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
pdc202_devs
[
n_pdc202_devs
++
]
=
dev
;
if
(
!
pdcnew_proc
)
{
pdcnew_proc
=
1
;
ide_pci_register_host_proc
(
&
pdcnew_procs
[
0
]);
}
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
return
dev
->
irq
;
}
static
void
__init
init_hwif_pdc202new
(
ide_hwif_t
*
hwif
)
{
hwif
->
autodma
=
0
;
hwif
->
tuneproc
=
&
pdcnew_tune_drive
;
hwif
->
quirkproc
=
&
pdcnew_quirkproc
;
hwif
->
speedproc
=
&
pdcnew_new_tune_chipset
;
hwif
->
resetproc
=
&
pdcnew_new_reset
;
if
(
!
hwif
->
dma_base
)
{
hwif
->
drives
[
0
].
autotune
=
hwif
->
drives
[
1
].
autotune
=
1
;
return
;
}
hwif
->
ultra_mask
=
0x7f
;
hwif
->
mwdma_mask
=
0x07
;
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
ide_dma_check
=
&
pdcnew_config_drive_xfer_rate
;
hwif
->
ide_dma_lostirq
=
&
pdcnew_ide_dma_lostirq
;
hwif
->
ide_dma_timeout
=
&
pdcnew_ide_dma_timeout
;
if
(
!
(
hwif
->
udma_four
))
hwif
->
udma_four
=
(
pdcnew_new_cable_detect
(
hwif
))
?
0
:
1
;
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
hwif
->
drives
[
0
].
autodma
=
hwif
->
drives
[
1
].
autodma
=
hwif
->
autodma
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
);
#endif
/* PDC202_DEBUG_CABLE */
}
static
void
__init
init_dma_pdc202new
(
ide_hwif_t
*
hwif
,
unsigned
long
dmabase
)
{
ide_setup_dma
(
hwif
,
dmabase
,
8
);
}
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
extern
void
ide_setup_pci_devices
(
struct
pci_dev
*
,
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
__init
init_setup_pdcnew
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
ide_setup_pci_device
(
dev
,
d
);
}
static
void
__init
init_setup_pdc20270
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
struct
pci_dev
*
findev
;
if
((
dev
->
bus
->
self
&&
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_DEC
)
&&
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_DEC_21150
))
{
if
(
PCI_SLOT
(
dev
->
devfn
)
&
2
)
{
return
;
}
d
->
extra
=
0
;
pci_for_each_dev
(
findev
)
{
if
((
findev
->
vendor
==
dev
->
vendor
)
&&
(
findev
->
device
==
dev
->
device
)
&&
(
PCI_SLOT
(
findev
->
devfn
)
&
2
))
{
u8
irq
=
0
,
irq2
=
0
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
pci_read_config_byte
(
findev
,
PCI_INTERRUPT_LINE
,
&
irq2
);
if
(
irq
!=
irq2
)
{
findev
->
irq
=
dev
->
irq
;
pci_write_config_byte
(
findev
,
PCI_INTERRUPT_LINE
,
irq
);
}
ide_setup_pci_devices
(
dev
,
findev
,
d
);
return
;
}
}
}
ide_setup_pci_device
(
dev
,
d
);
}
static
void
__init
init_setup_pdc20276
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
bus
->
self
)
&&
(
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_INTEL
)
&&
((
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960
)
||
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960RM
)))
{
printk
(
KERN_INFO
"ide: Skipping Promise PDC20276 "
"attached to I2O RAID controller.
\n
"
);
return
;
}
ide_setup_pci_device
(
dev
,
d
);
}
int
__init
pdcnew_scan_pcidev
(
struct
pci_dev
*
dev
)
{
ide_pci_device_t
*
d
;
if
(
dev
->
vendor
!=
PCI_VENDOR_ID_PROMISE
)
return
0
;
for
(
d
=
pdcnew_chipsets
;
d
&&
d
->
vendor
&&
d
->
device
;
++
d
)
{
if
(((
d
->
vendor
==
dev
->
vendor
)
&&
(
d
->
device
==
dev
->
device
))
&&
(
d
->
init_setup
))
{
d
->
init_setup
(
dev
,
d
);
return
1
;
}
}
return
0
;
}
drivers/ide/pci/pdc202xx_new.h
0 → 100644
View file @
b4cd8709
#ifndef PDC202XX_H
#define PDC202XX_H
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/ide.h>
#define DISPLAY_PDC202XX_TIMINGS
#ifndef SPLIT_BYTE
#define SPLIT_BYTE(B,H,L) ((H)=(B>>4), (L)=(B-((B>>4)<<4)))
#endif
#define PDC202XX_DEBUG_DRIVE_INFO 0
#define PDC202XX_DECODE_REGISTER_INFO 0
const
static
char
*
pdc_quirk_drives
[]
=
{
"QUANTUM FIREBALLlct08 08"
,
"QUANTUM FIREBALLP KA6.4"
,
"QUANTUM FIREBALLP KA9.1"
,
"QUANTUM FIREBALLP LM20.4"
,
"QUANTUM FIREBALLP KX13.6"
,
"QUANTUM FIREBALLP KX20.5"
,
"QUANTUM FIREBALLP KX27.3"
,
"QUANTUM FIREBALLP LM20.5"
,
NULL
};
static
inline
u8
*
pdcnew_pio_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00000401
)
==
0x00000401
)
return
(
"PIO 4"
);
if
((
drive_pci
&
0x00000602
)
==
0x00000602
)
return
(
"PIO 3"
);
if
((
drive_pci
&
0x00000803
)
==
0x00000803
)
return
(
"PIO 2"
);
if
((
drive_pci
&
0x00000C05
)
==
0x00000C05
)
return
(
"PIO 1"
);
if
((
drive_pci
&
0x00001309
)
==
0x00001309
)
return
(
"PIO 0"
);
return
(
"PIO ?"
);
}
static
inline
u8
*
pdcnew_dma_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"MWDMA 2"
);
if
((
drive_pci
&
0x00046000
)
==
0x00046000
)
return
(
"MWDMA 1"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"MWDMA 0"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"SWDMA 2"
);
if
((
drive_pci
&
0x00068000
)
==
0x00068000
)
return
(
"SWDMA 1"
);
if
((
drive_pci
&
0x000BC000
)
==
0x000BC000
)
return
(
"SWDMA 0"
);
return
(
"PIO---"
);
}
static
inline
u8
*
pdcnew_ultra_verbose
(
u32
drive_pci
,
u16
slow_cable
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00012000
)
==
0x00012000
)
return
((
slow_cable
)
?
"UDMA 2"
:
"UDMA 4"
);
if
((
drive_pci
&
0x00024000
)
==
0x00024000
)
return
((
slow_cable
)
?
"UDMA 1"
:
"UDMA 3"
);
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"UDMA 0"
);
return
(
pdcnew_dma_verbose
(
drive_pci
));
}
/* A Register */
#define SYNC_ERRDY_EN 0xC0
#define SYNC_IN 0x80
/* control bit, different for master vs. slave drives */
#define ERRDY_EN 0x40
/* control bit, different for master vs. slave drives */
#define IORDY_EN 0x20
/* PIO: IOREADY */
#define PREFETCH_EN 0x10
/* PIO: PREFETCH */
#define PA3 0x08
/* PIO"A" timing */
#define PA2 0x04
/* PIO"A" timing */
#define PA1 0x02
/* PIO"A" timing */
#define PA0 0x01
/* PIO"A" timing */
/* B Register */
#define MB2 0x80
/* DMA"B" timing */
#define MB1 0x40
/* DMA"B" timing */
#define MB0 0x20
/* DMA"B" timing */
#define PB4 0x10
/* PIO_FORCE 1:0 */
#define PB3 0x08
/* PIO"B" timing */
/* PIO flow Control mode */
#define PB2 0x04
/* PIO"B" timing */
/* PIO 4 */
#define PB1 0x02
/* PIO"B" timing */
/* PIO 3 half */
#define PB0 0x01
/* PIO"B" timing */
/* PIO 3 other half */
/* C Register */
#define IORDYp_NO_SPEED 0x4F
#define SPEED_DIS 0x0F
#define DMARQp 0x80
#define IORDYp 0x40
#define DMAR_EN 0x20
#define DMAW_EN 0x10
#define MC3 0x08
/* DMA"C" timing */
#define MC2 0x04
/* DMA"C" timing */
#define MC1 0x02
/* DMA"C" timing */
#define MC0 0x01
/* DMA"C" timing */
#if PDC202XX_DECODE_REGISTER_INFO
#define REG_A 0x01
#define REG_B 0x02
#define REG_C 0x04
#define REG_D 0x08
static
void
decode_registers
(
u8
registers
,
u8
value
)
{
u8
bit
=
0
,
bit1
=
0
,
bit2
=
0
;
switch
(
registers
)
{
case
REG_A
:
bit2
=
0
;
printk
(
"A Register "
);
if
(
value
&
0x80
)
printk
(
"SYNC_IN "
);
if
(
value
&
0x40
)
printk
(
"ERRDY_EN "
);
if
(
value
&
0x20
)
printk
(
"IORDY_EN "
);
if
(
value
&
0x10
)
printk
(
"PREFETCH_EN "
);
if
(
value
&
0x08
)
{
printk
(
"PA3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PA2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PA1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PA0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(A) = %d "
,
bit2
);
break
;
case
REG_B
:
bit1
=
0
;
bit2
=
0
;
printk
(
"B Register "
);
if
(
value
&
0x80
)
{
printk
(
"MB2 "
);
bit1
|=
0x80
;
}
if
(
value
&
0x40
)
{
printk
(
"MB1 "
);
bit1
|=
0x40
;
}
if
(
value
&
0x20
)
{
printk
(
"MB0 "
);
bit1
|=
0x20
;
}
printk
(
"DMA(B) = %d "
,
bit1
>>
5
);
if
(
value
&
0x10
)
printk
(
"PIO_FORCED/PB4 "
);
if
(
value
&
0x08
)
{
printk
(
"PB3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PB2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PB1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PB0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(B) = %d "
,
bit2
);
break
;
case
REG_C
:
bit2
=
0
;
printk
(
"C Register "
);
if
(
value
&
0x80
)
printk
(
"DMARQp "
);
if
(
value
&
0x40
)
printk
(
"IORDYp "
);
if
(
value
&
0x20
)
printk
(
"DMAR_EN "
);
if
(
value
&
0x10
)
printk
(
"DMAW_EN "
);
if
(
value
&
0x08
)
{
printk
(
"MC3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"MC2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"MC1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"MC0 "
);
bit2
|=
0x01
;
}
printk
(
"DMA(C) = %d "
,
bit2
);
break
;
case
REG_D
:
printk
(
"D Register "
);
break
;
default:
return
;
}
printk
(
"
\n
%s "
,
(
registers
&
REG_D
)
?
"DP"
:
(
registers
&
REG_C
)
?
"CP"
:
(
registers
&
REG_B
)
?
"BP"
:
(
registers
&
REG_A
)
?
"AP"
:
"ERROR"
);
for
(
bit
=
128
;
bit
>
0
;
bit
/=
2
)
printk
(
"%s"
,
(
value
&
bit
)
?
"1"
:
"0"
);
printk
(
"
\n
"
);
}
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#define set_2regs(a, b) \
do { \
hwif->OUTB((a + adj), indexreg); \
hwif->OUTB(b, datareg); \
} while(0)
#define set_ultra(a, b, c) \
do { \
set_2regs(0x10,(a)); \
set_2regs(0x11,(b)); \
set_2regs(0x12,(c)); \
} while(0)
#define set_ata2(a, b) \
do { \
set_2regs(0x0e,(a)); \
set_2regs(0x0f,(b)); \
} while(0)
#define set_pio(a, b, c) \
do { \
set_2regs(0x0c,(a)); \
set_2regs(0x0d,(b)); \
set_2regs(0x13,(c)); \
} while(0)
#define DISPLAY_PDC202XX_TIMINGS
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
u8
pdcnew_proc
;
static
int
pdcnew_get_info
(
char
*
,
char
**
,
off_t
,
int
);
static
ide_pci_host_proc_t
pdcnew_procs
[]
__initdata
=
{
{
name:
"pdcnew"
,
set:
1
,
get_info:
pdcnew_get_info
,
parent:
NULL
,
},
};
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
static
void
init_setup_pdcnew
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc20270
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc20276
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
static
unsigned
int
init_chipset_pdcnew
(
struct
pci_dev
*
,
const
char
*
);
static
void
init_hwif_pdc202new
(
ide_hwif_t
*
);
static
void
init_dma_pdc202new
(
ide_hwif_t
*
,
unsigned
long
);
static
ide_pci_device_t
pdcnew_chipsets
[]
__initdata
=
{
{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20268
,
name:
"PDC20268"
,
init_setup:
init_setup_pdcnew
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20269
,
name:
"PDC20269"
,
init_setup:
init_setup_pdcnew
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20270
,
name:
"PDC20270"
,
init_setup:
init_setup_pdc20270
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20271
,
name:
"PDC20271"
,
init_setup:
init_setup_pdcnew
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20275
,
name:
"PDC20275"
,
init_setup:
init_setup_pdcnew
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20276
,
name:
"PDC20276"
,
init_setup:
init_setup_pdc20276
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20277
,
name:
"PDC20277"
,
init_setup:
init_setup_pdcnew
,
init_chipset:
init_chipset_pdcnew
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202new
,
init_dma:
init_dma_pdc202new
,
channels:
2
,
autodma:
AUTODMA
,
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
bootable:
OFF_BOARD
,
extra:
0
,
},{
vendor:
0
,
device:
0
,
channels:
0
,
bootable:
EOL
,
}
};
#endif
/* PDC202XX_H */
drivers/ide/pci/pdc202xx_old.c
0 → 100644
View file @
b4cd8709
/*
* linux/drivers/ide/pdc202xx.c Version 0.35 Mar. 30, 2002
*
* Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>
*
* Promise Ultra33 cards with BIOS v1.20 through 1.28 will need this
* compiled into the kernel if you have more than one card installed.
* Note that BIOS v1.29 is reported to fix the problem. Since this is
* safe chipset tuning, including this support is harmless
*
* Promise Ultra66 cards with BIOS v1.11 this
* compiled into the kernel if you have more than one card installed.
*
* Promise Ultra100 cards.
*
* The latest chipset code will support the following ::
* Three Ultra33 controllers and 12 drives.
* 8 are UDMA supported and 4 are limited to DMA mode 2 multi-word.
* The 8/4 ratio is a BIOS code limit by promise.
*
* UNLESS you enable "CONFIG_PDC202XX_BURST"
*
*/
/*
* Portions Copyright (C) 1999 Promise Technology, Inc.
* Author: Frank Tiernan (frankt@promise.com)
* Released under terms of General Public License
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/ioport.h>
#include <linux/blkdev.h>
#include <linux/hdreg.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/ide.h>
#include <asm/io.h>
#include <asm/irq.h>
#include "ide_modes.h"
#include "pdc202xx_old.h"
#define PDC202_DEBUG_CABLE 0
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
u8
pdc202xx_proc
=
0
;
#define PDC202_MAX_DEVS 5
static
struct
pci_dev
*
pdc202_devs
[
PDC202_MAX_DEVS
];
static
int
n_pdc202_devs
;
static
char
*
pdc202xx_info
(
char
*
buf
,
struct
pci_dev
*
dev
)
{
char
*
p
=
buf
;
u32
bibma
=
pci_resource_start
(
dev
,
4
);
u32
reg60h
=
0
,
reg64h
=
0
,
reg68h
=
0
,
reg6ch
=
0
;
u16
reg50h
=
0
,
pmask
=
(
1
<<
10
),
smask
=
(
1
<<
11
);
u8
hi
=
0
,
lo
=
0
;
/*
* at that point bibma+0x2 et bibma+0xa are byte registers
* to investigate:
*/
u8
c0
=
inb_p
((
u16
)
bibma
+
0x02
);
u8
c1
=
inb_p
((
u16
)
bibma
+
0x0a
);
u8
sc11
=
inb_p
((
u16
)
bibma
+
0x11
);
u8
sc1a
=
inb_p
((
u16
)
bibma
+
0x1a
);
u8
sc1b
=
inb_p
((
u16
)
bibma
+
0x1b
);
u8
sc1c
=
inb_p
((
u16
)
bibma
+
0x1c
);
u8
sc1d
=
inb_p
((
u16
)
bibma
+
0x1d
);
u8
sc1e
=
inb_p
((
u16
)
bibma
+
0x1e
);
u8
sc1f
=
inb_p
((
u16
)
bibma
+
0x1f
);
pci_read_config_word
(
dev
,
0x50
,
&
reg50h
);
pci_read_config_dword
(
dev
,
0x60
,
&
reg60h
);
pci_read_config_dword
(
dev
,
0x64
,
&
reg64h
);
pci_read_config_dword
(
dev
,
0x68
,
&
reg68h
);
pci_read_config_dword
(
dev
,
0x6c
,
&
reg6ch
);
p
+=
sprintf
(
p
,
"
\n
"
);
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20267
:
p
+=
sprintf
(
p
,
"Ultra100"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20265
:
p
+=
sprintf
(
p
,
"Ultra100 on M/B"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
p
+=
sprintf
(
p
,
"FastTrak 66"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20262
:
p
+=
sprintf
(
p
,
"Ultra66"
);
break
;
case
PCI_DEVICE_ID_PROMISE_20246
:
p
+=
sprintf
(
p
,
"Ultra33"
);
reg50h
|=
0x0c00
;
break
;
default:
p
+=
sprintf
(
p
,
"Ultra Series"
);
break
;
}
p
+=
sprintf
(
p
,
" Chipset.
\n
"
);
p
+=
sprintf
(
p
,
"------------------------------- General Status "
"---------------------------------
\n
"
);
p
+=
sprintf
(
p
,
"Burst Mode : %sabled
\n
"
,
(
sc1f
&
0x01
)
?
"en"
:
"dis"
);
p
+=
sprintf
(
p
,
"Host Mode : %s
\n
"
,
(
sc1f
&
0x08
)
?
"Tri-Stated"
:
"Normal"
);
p
+=
sprintf
(
p
,
"Bus Clocking : %s
\n
"
,
((
sc1f
&
0xC0
)
==
0xC0
)
?
"100 External"
:
((
sc1f
&
0x80
)
==
0x80
)
?
"66 External"
:
((
sc1f
&
0x40
)
==
0x40
)
?
"33 External"
:
"33 PCI Internal"
);
p
+=
sprintf
(
p
,
"IO pad select : %s mA
\n
"
,
((
sc1c
&
0x03
)
==
0x03
)
?
"10"
:
((
sc1c
&
0x02
)
==
0x02
)
?
"8"
:
((
sc1c
&
0x01
)
==
0x01
)
?
"6"
:
((
sc1c
&
0x00
)
==
0x00
)
?
"4"
:
"??"
);
SPLIT_BYTE
(
sc1e
,
hi
,
lo
);
p
+=
sprintf
(
p
,
"Status Polling Period : %d
\n
"
,
hi
);
p
+=
sprintf
(
p
,
"Interrupt Check Status Polling Delay : %d
\n
"
,
lo
);
p
+=
sprintf
(
p
,
"--------------- Primary Channel "
"---------------- Secondary Channel "
"-------------
\n
"
);
p
+=
sprintf
(
p
,
" %s %s
\n
"
,
(
c0
&
0x80
)
?
"disabled"
:
"enabled "
,
(
c1
&
0x80
)
?
"disabled"
:
"enabled "
);
p
+=
sprintf
(
p
,
"66 Clocking %s %s
\n
"
,
(
sc11
&
0x02
)
?
"enabled "
:
"disabled"
,
(
sc11
&
0x08
)
?
"enabled "
:
"disabled"
);
p
+=
sprintf
(
p
,
" Mode %s Mode %s
\n
"
,
(
sc1a
&
0x01
)
?
"MASTER"
:
"PCI "
,
(
sc1b
&
0x01
)
?
"MASTER"
:
"PCI "
);
p
+=
sprintf
(
p
,
" %s %s
\n
"
,
(
sc1d
&
0x08
)
?
"Error "
:
((
sc1d
&
0x05
)
==
0x05
)
?
"Not My INTR "
:
(
sc1d
&
0x04
)
?
"Interrupting"
:
(
sc1d
&
0x02
)
?
"FIFO Full "
:
(
sc1d
&
0x01
)
?
"FIFO Empty "
:
"????????????"
,
(
sc1d
&
0x80
)
?
"Error "
:
((
sc1d
&
0x50
)
==
0x50
)
?
"Not My INTR "
:
(
sc1d
&
0x40
)
?
"Interrupting"
:
(
sc1d
&
0x20
)
?
"FIFO Full "
:
(
sc1d
&
0x10
)
?
"FIFO Empty "
:
"????????????"
);
p
+=
sprintf
(
p
,
"--------------- drive0 --------- drive1 "
"-------- drive0 ---------- drive1 ------
\n
"
);
p
+=
sprintf
(
p
,
"DMA enabled: %s %s "
" %s %s
\n
"
,
(
c0
&
0x20
)
?
"yes"
:
"no "
,
(
c0
&
0x40
)
?
"yes"
:
"no "
,
(
c1
&
0x20
)
?
"yes"
:
"no "
,
(
c1
&
0x40
)
?
"yes"
:
"no "
);
p
+=
sprintf
(
p
,
"DMA Mode: %s %s "
" %s %s
\n
"
,
pdc202xx_ultra_verbose
(
reg60h
,
(
reg50h
&
pmask
)),
pdc202xx_ultra_verbose
(
reg64h
,
(
reg50h
&
pmask
)),
pdc202xx_ultra_verbose
(
reg68h
,
(
reg50h
&
smask
)),
pdc202xx_ultra_verbose
(
reg6ch
,
(
reg50h
&
smask
)));
p
+=
sprintf
(
p
,
"PIO Mode: %s %s "
" %s %s
\n
"
,
pdc202xx_pio_verbose
(
reg60h
),
pdc202xx_pio_verbose
(
reg64h
),
pdc202xx_pio_verbose
(
reg68h
),
pdc202xx_pio_verbose
(
reg6ch
));
#if 0
p += sprintf(p, "--------------- Can ATAPI DMA ---------------\n");
#endif
return
(
char
*
)
p
;
}
static
int
pdc202xx_get_info
(
char
*
buffer
,
char
**
addr
,
off_t
offset
,
int
count
)
{
char
*
p
=
buffer
;
int
i
;
for
(
i
=
0
;
i
<
n_pdc202_devs
;
i
++
)
{
struct
pci_dev
*
dev
=
pdc202_devs
[
i
];
p
=
pdc202xx_info
(
buffer
,
dev
);
}
return
p
-
buffer
;
/* => must be less than 4k! */
}
#endif
/* defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS) */
static
u8
pdc202xx_ratemask
(
ide_drive_t
*
drive
)
{
u8
mode
;
switch
(
HWIF
(
drive
)
->
pci_dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
mode
=
3
;
break
;
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
mode
=
2
;
break
;
case
PCI_DEVICE_ID_PROMISE_20246
:
return
1
;
default:
return
0
;
}
if
(
!
eighty_ninty_three
(
drive
))
mode
=
min
(
mode
,
(
u8
)
1
);
return
mode
;
}
static
int
check_in_drive_lists
(
ide_drive_t
*
drive
,
const
char
**
list
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
if
(
pdc_quirk_drives
==
list
)
{
while
(
*
list
)
{
if
(
strstr
(
id
->
model
,
*
list
++
))
{
return
2
;
}
}
}
else
{
while
(
*
list
)
{
if
(
!
strcmp
(
*
list
++
,
id
->
model
))
{
return
1
;
}
}
}
return
0
;
}
static
int
pdc202xx_tune_chipset
(
ide_drive_t
*
drive
,
u8
xferspeed
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u8
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
u8
speed
=
ide_rate_filter
(
pdc202xx_ratemask
(
drive
),
xferspeed
);
u32
drive_conf
;
u8
AP
,
BP
,
CP
,
DP
;
u8
TA
=
0
,
TB
=
0
,
TC
=
0
;
if
((
drive
->
media
!=
ide_disk
)
&&
(
speed
<
XFER_SW_DMA_0
))
return
-
1
;
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x03
,
&
DP
);
if
(
speed
<
XFER_SW_DMA_0
)
{
if
((
AP
&
0x0F
)
||
(
BP
&
0x07
))
{
/* clear PIO modes of lower 8421 bits of A Register */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
&~
0x0F
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
/* clear PIO modes of lower 421 bits of B Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
&~
0x07
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
}
#ifdef CONFIG_BLK_DEV_IDEDMA
}
else
{
if
((
BP
&
0xF0
)
&&
(
CP
&
0x0F
))
{
/* clear DMA modes of upper 842 bits of B Register */
/* clear PIO forced mode upper 1 bit of B Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
&~
0xF0
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
/* clear DMA modes of lower 8421 bits of C Register */
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
CP
&~
0x0F
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
}
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
switch
(
speed
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
case
XFER_UDMA_6
:
speed
=
XFER_UDMA_5
;
case
XFER_UDMA_5
:
case
XFER_UDMA_4
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_2
:
TB
=
0x20
;
TC
=
0x01
;
break
;
case
XFER_UDMA_3
:
case
XFER_UDMA_1
:
TB
=
0x40
;
TC
=
0x02
;
break
;
case
XFER_UDMA_0
:
case
XFER_MW_DMA_2
:
TB
=
0x60
;
TC
=
0x03
;
break
;
case
XFER_MW_DMA_1
:
TB
=
0x60
;
TC
=
0x04
;
break
;
case
XFER_MW_DMA_0
:
case
XFER_SW_DMA_2
:
TB
=
0x60
;
TC
=
0x05
;
break
;
case
XFER_SW_DMA_1
:
TB
=
0x80
;
TC
=
0x06
;
break
;
case
XFER_SW_DMA_0
:
TB
=
0xC0
;
TC
=
0x0B
;
break
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
case
XFER_PIO_4
:
TA
=
0x01
;
TB
=
0x04
;
break
;
case
XFER_PIO_3
:
TA
=
0x02
;
TB
=
0x06
;
break
;
case
XFER_PIO_2
:
TA
=
0x03
;
TB
=
0x08
;
break
;
case
XFER_PIO_1
:
TA
=
0x05
;
TB
=
0x0C
;
break
;
case
XFER_PIO_0
:
default:
TA
=
0x09
;
TB
=
0x13
;
break
;
}
if
(
speed
<
XFER_SW_DMA_0
)
{
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
TA
);
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
|
TB
);
#ifdef CONFIG_BLK_DEV_IDEDMA
}
else
{
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
BP
|
TB
);
pci_write_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
CP
|
TC
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
}
#if PDC202XX_DECODE_REGISTER_INFO
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x01
,
&
BP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x02
,
&
CP
);
pci_read_config_byte
(
dev
,
(
drive_pci
)
|
0x03
,
&
DP
);
decode_registers
(
REG_A
,
AP
);
decode_registers
(
REG_B
,
BP
);
decode_registers
(
REG_C
,
CP
);
decode_registers
(
REG_D
,
DP
);
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#if PDC202XX_DEBUG_DRIVE_INFO
printk
(
"%s: %s drive%d 0x%08x "
,
drive
->
name
,
ide_xfer_verbose
(
speed
),
drive
->
dn
,
drive_conf
);
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
printk
(
"0x%08x
\n
"
,
drive_conf
);
#endif
/* PDC202XX_DEBUG_DRIVE_INFO */
return
(
ide_config_drive_speed
(
drive
,
speed
));
}
/* 0 1 2 3 4 5 6 7 8
* 960, 480, 390, 300, 240, 180, 120, 90, 60
* 180, 150, 120, 90, 60
* DMA_Speed
* 180, 120, 90, 90, 90, 60, 30
* 11, 5, 4, 3, 2, 1, 0
*/
static
int
config_chipset_for_pio
(
ide_drive_t
*
drive
,
u8
pio
)
{
u8
speed
=
0
;
pio
=
(
pio
==
5
)
?
4
:
pio
;
speed
=
XFER_PIO_0
+
ide_get_best_pio_mode
(
drive
,
255
,
pio
,
NULL
);
return
((
int
)
pdc202xx_tune_chipset
(
drive
,
speed
));
}
static
void
pdc202xx_tune_drive
(
ide_drive_t
*
drive
,
u8
pio
)
{
(
void
)
config_chipset_for_pio
(
drive
,
pio
);
}
#ifdef CONFIG_BLK_DEV_IDEDMA
static
u8
pdc202xx_old_cable_detect
(
ide_hwif_t
*
hwif
)
{
u16
CIS
=
0
,
mask
=
(
hwif
->
channel
)
?
(
1
<<
11
)
:
(
1
<<
10
);
pci_read_config_word
(
hwif
->
pci_dev
,
0x50
,
&
CIS
);
return
((
u8
)(
CIS
&
mask
));
}
static
int
config_chipset_for_dma
(
ide_drive_t
*
drive
)
{
struct
hd_driveid
*
id
=
drive
->
id
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u32
drive_conf
=
0
;
u8
mask
=
hwif
->
channel
?
0x08
:
0x02
;
u8
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
u8
test1
=
0
,
test2
=
0
,
speed
=
-
1
;
u8
AP
=
0
,
CLKSPD
=
0
,
cable
=
0
;
u8
ultra_66
=
((
id
->
dma_ultra
&
0x0010
)
||
(
id
->
dma_ultra
&
0x0008
))
?
1
:
0
;
switch
(
dev
->
device
)
{
case
PCI_DEVICE_ID_PROMISE_20267
:
case
PCI_DEVICE_ID_PROMISE_20265
:
case
PCI_DEVICE_ID_PROMISE_20263
:
case
PCI_DEVICE_ID_PROMISE_20262
:
cable
=
pdc202xx_old_cable_detect
(
hwif
);
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable, %s-pin cable, %d
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
,
cable
?
"40"
:
"80"
,
cable
);
#endif
/* PDC202_DEBUG_CABLE */
break
;
default:
BUG
();
}
CLKSPD
=
hwif
->
INB
(
hwif
->
dma_master
+
0x11
);
/*
* Set the control register to use the 66Mhz system
* clock for UDMA 3/4 mode operation. If one drive on
* a channel is U66 capable but the other isn't we
* fall back to U33 mode. The BIOS INT 13 hooks turn
* the clock on then off for each read/write issued. I don't
* do that here because it would require modifying the
* kernel, seperating the fop routines from the kernel or
* somehow hooking the fops calls. It may also be possible to
* leave the 66Mhz clock on and readjust the timing
* parameters.
*/
if
((
ultra_66
)
&&
(
cable
))
{
#ifdef DEBUG
printk
(
"ULTRA 66/100/133: %s channel of Ultra 66/100/133 "
"requires an 80-pin cable for Ultra66 operation.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
printk
(
" Switching to Ultra33 mode.
\n
"
);
#endif
/* DEBUG */
/* Primary : zero out second bit */
/* Secondary : zero out fourth bit */
hwif
->
OUTB
(
CLKSPD
&
~
mask
,
(
hwif
->
dma_master
+
0x11
));
printk
(
"Warning: %s channel requires an 80-pin cable for operation.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
printk
(
"%s reduced to Ultra33 mode.
\n
"
,
drive
->
name
);
}
else
{
if
(
ultra_66
)
{
/*
* check to make sure drive on same channel
* is u66 capable
*/
if
(
hwif
->
drives
[
!
(
drive
->
dn
%
2
)].
id
)
{
if
(
hwif
->
drives
[
!
(
drive
->
dn
%
2
)].
id
->
dma_ultra
&
0x0078
)
{
hwif
->
OUTB
(
CLKSPD
|
mask
,
(
hwif
->
dma_master
+
0x11
));
}
else
{
hwif
->
OUTB
(
CLKSPD
&
~
mask
,
(
hwif
->
dma_master
+
0x11
));
}
}
else
{
/* udma4 drive by itself */
hwif
->
OUTB
(
CLKSPD
|
mask
,
(
hwif
->
dma_master
+
0x11
));
}
}
}
drive_pci
=
0x60
+
(
drive
->
dn
<<
2
);
pci_read_config_dword
(
dev
,
drive_pci
,
&
drive_conf
);
if
((
drive_conf
!=
0x004ff304
)
&&
(
drive_conf
!=
0x004ff3c4
))
goto
chipset_is_set
;
pci_read_config_byte
(
dev
,
drive_pci
,
&
test1
);
if
(
!
(
test1
&
SYNC_ERRDY_EN
))
{
if
(
drive
->
select
.
b
.
unit
&
0x01
)
{
pci_read_config_byte
(
dev
,
drive_pci
-
4
,
&
test2
);
if
((
test2
&
SYNC_ERRDY_EN
)
&&
!
(
test1
&
SYNC_ERRDY_EN
))
{
pci_write_config_byte
(
dev
,
drive_pci
,
test1
|
SYNC_ERRDY_EN
);
}
}
else
{
pci_write_config_byte
(
dev
,
drive_pci
,
test1
|
SYNC_ERRDY_EN
);
}
}
chipset_is_set:
if
(
drive
->
media
==
ide_disk
)
{
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
if
(
id
->
capability
&
4
)
/* IORDY_EN */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
IORDY_EN
);
pci_read_config_byte
(
dev
,
(
drive_pci
),
&
AP
);
if
(
drive
->
media
==
ide_disk
)
/* PREFETCH_EN */
pci_write_config_byte
(
dev
,
(
drive_pci
),
AP
|
PREFETCH_EN
);
}
speed
=
ide_dma_speed
(
drive
,
pdc202xx_ratemask
(
drive
));
if
(
!
(
speed
))
{
/* restore original pci-config space */
pci_write_config_dword
(
dev
,
drive_pci
,
drive_conf
);
hwif
->
tuneproc
(
drive
,
5
);
return
0
;
}
(
void
)
hwif
->
speedproc
(
drive
,
speed
);
return
ide_dma_enable
(
drive
);
}
static
int
pdc202xx_config_drive_xfer_rate
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
hd_driveid
*
id
=
drive
->
id
;
drive
->
init_speed
=
0
;
if
(
id
&&
(
id
->
capability
&
1
)
&&
drive
->
autodma
)
{
/* Consult the list of known "bad" drives */
if
(
hwif
->
ide_dma_bad_drive
(
drive
))
goto
fast_ata_pio
;
if
(
id
->
field_valid
&
4
)
{
if
(
id
->
dma_ultra
&
hwif
->
ultra_mask
)
{
/* Force if Capable UltraDMA */
int
dma
=
config_chipset_for_dma
(
drive
);
if
((
id
->
field_valid
&
2
)
&&
!
dma
)
goto
try_dma_modes
;
}
}
else
if
(
id
->
field_valid
&
2
)
{
try_dma_modes:
if
((
id
->
dma_mword
&
hwif
->
mwdma_mask
)
||
(
id
->
dma_1word
&
hwif
->
swdma_mask
))
{
/* Force if Capable regular DMA modes */
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
}
else
if
(
hwif
->
ide_dma_good_drive
(
drive
)
&&
(
id
->
eide_dma_time
<
150
))
{
goto
no_dma_set
;
/* Consult the list of known "good" drives */
if
(
!
config_chipset_for_dma
(
drive
))
goto
no_dma_set
;
}
else
{
goto
fast_ata_pio
;
}
}
else
if
((
id
->
capability
&
8
)
||
(
id
->
field_valid
&
2
))
{
fast_ata_pio:
no_dma_set:
hwif
->
tuneproc
(
drive
,
5
);
return
hwif
->
ide_dma_off_quietly
(
drive
);
}
return
hwif
->
ide_dma_on
(
drive
);
}
static
int
pdc202xx_quirkproc
(
ide_drive_t
*
drive
)
{
return
((
int
)
check_in_drive_lists
(
drive
,
pdc_quirk_drives
));
}
static
int
pdc202xx_old_ide_dma_begin
(
ide_drive_t
*
drive
)
{
if
(
drive
->
addressing
==
1
)
{
struct
request
*
rq
=
HWGROUP
(
drive
)
->
rq
;
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
u32
high_16
=
pci_resource_start
(
dev
,
4
);
u32
atapi_reg
=
high_16
+
(
hwif
->
channel
?
0x24
:
0x20
);
u32
word_count
=
0
;
u8
clock
=
hwif
->
INB
(
high_16
+
0x11
);
hwif
->
OUTB
(
clock
|
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
word_count
=
(
rq
->
nr_sectors
<<
8
);
word_count
=
(
rq
->
cmd
==
READ
)
?
word_count
|
0x05000000
:
word_count
|
0x06000000
;
hwif
->
OUTL
(
word_count
,
atapi_reg
);
}
return
__ide_dma_begin
(
drive
);
}
static
int
pdc202xx_old_ide_dma_end
(
ide_drive_t
*
drive
)
{
if
(
drive
->
addressing
==
1
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
u32
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
u32
atapi_reg
=
high_16
+
(
hwif
->
channel
?
0x24
:
0x20
);
u8
clock
=
0
;
hwif
->
OUTL
(
0
,
atapi_reg
);
/* zero out extra */
clock
=
hwif
->
INB
(
high_16
+
0x11
);
hwif
->
OUTB
(
clock
&
~
(
hwif
->
channel
?
0x08
:
0x02
),
high_16
+
0x11
);
}
return
__ide_dma_end
(
drive
);
}
static
int
pdc202xx_old_ide_dma_test_irq
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
struct
pci_dev
*
dev
=
hwif
->
pci_dev
;
unsigned
long
high_16
=
pci_resource_start
(
dev
,
4
);
u8
dma_stat
=
hwif
->
INB
(
hwif
->
dma_status
);
u8
sc1d
=
hwif
->
INB
((
high_16
+
0x001d
));
if
(
hwif
->
channel
)
{
if
((
sc1d
&
0x50
)
==
0x50
)
goto
somebody_else
;
else
if
((
sc1d
&
0x40
)
==
0x40
)
return
(
dma_stat
&
4
)
==
4
;
}
else
{
if
((
sc1d
&
0x05
)
==
0x05
)
goto
somebody_else
;
else
if
((
sc1d
&
0x04
)
==
0x04
)
return
(
dma_stat
&
4
)
==
4
;
}
somebody_else:
return
(
dma_stat
&
4
)
==
4
;
/* return 1 if INTR asserted */
}
static
int
pdc202xx_ide_dma_lostirq
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_lostirq
(
drive
);
}
static
int
pdc202xx_ide_dma_timeout
(
ide_drive_t
*
drive
)
{
if
(
HWIF
(
drive
)
->
resetproc
!=
NULL
)
HWIF
(
drive
)
->
resetproc
(
drive
);
return
__ide_dma_timeout
(
drive
);
}
#endif
/* CONFIG_BLK_DEV_IDEDMA */
static
void
pdc202xx_reset_host
(
ide_hwif_t
*
hwif
)
{
#ifdef CONFIG_BLK_DEV_IDEDMA
// unsigned long high_16 = hwif->dma_base - (8*(hwif->channel));
unsigned
long
high_16
=
hwif
->
dma_master
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
unsigned
long
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
udma_speed_flag
=
hwif
->
INB
(
high_16
|
0x001f
);
hwif
->
OUTB
((
udma_speed_flag
|
0x10
),
(
high_16
|
0x001f
));
mdelay
(
100
);
hwif
->
OUTB
((
udma_speed_flag
&
~
0x10
),
(
high_16
|
0x001f
));
mdelay
(
2000
);
/* 2 seconds ?! */
printk
(
"PDC202XX: %s channel reset.
\n
"
,
hwif
->
channel
?
"Secondary"
:
"Primary"
);
}
void
pdc202xx_reset
(
ide_drive_t
*
drive
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
ide_hwif_t
*
mate
=
hwif
->
mate
;
pdc202xx_reset_host
(
hwif
);
pdc202xx_reset_host
(
mate
);
#if 0
/*
* FIXME: Have to kick all the drives again :-/
* What a pain in the ACE!
*/
if (hwif->present) {
u16 hunit = 0;
hwif->initializing = 1;
for (hunit = 0; hunit < MAX_DRIVES; ++hunit) {
ide_drive_t *hdrive = &hwif->drives[hunit];
if (hdrive->present) {
if (hwif->ide_dma_check)
hwif->ide_dma_check(hdrive);
else
hwif->tuneproc(hdrive, 5);
}
}
hwif->initializing = 0;
}
if (mate->present) {
u16 munit = 0;
mate->initializing = 1;
for (munit = 0; munit < MAX_DRIVES; ++munit) {
ide_drive_t *mdrive = &mate->drives[munit];
if (mdrive->present) {
if (mate->ide_dma_check)
mate->ide_dma_check(mdrive);
else
mate->tuneproc(mdrive, 5);
}
}
mate->initializing = 0;
}
#else
hwif
->
tuneproc
(
drive
,
5
);
#endif
}
/*
* Since SUN Cobalt is attempting to do this operation, I should disclose
* this has been a long time ago Thu Jul 27 16:40:57 2000 was the patch date
* HOTSWAP ATA Infrastructure.
*/
static
int
pdc202xx_tristate
(
ide_drive_t
*
drive
,
int
state
)
{
ide_hwif_t
*
hwif
=
HWIF
(
drive
);
#ifdef CONFIG_BLK_DEV_IDEDMA
// unsigned long high_16 = hwif->dma_base - (8*(hwif->channel));
unsigned
long
high_16
=
hwif
->
dma_master
;
#else
/* !CONFIG_BLK_DEV_IDEDMA */
unsigned
long
high_16
=
pci_resource_start
(
hwif
->
pci_dev
,
4
);
#endif
/* CONFIG_BLK_DEV_IDEDMA */
u8
sc1f
=
hwif
->
INB
(
high_16
|
0x001f
);
if
(
!
hwif
)
return
-
EINVAL
;
// hwif->bus_state = state;
if
(
state
)
{
hwif
->
OUTB
(
sc1f
|
0x08
,
(
high_16
|
0x001f
));
}
else
{
hwif
->
OUTB
(
sc1f
&
~
0x08
,
(
high_16
|
0x001f
));
}
return
0
;
}
static
unsigned
int
__init
init_chipset_pdc202xx
(
struct
pci_dev
*
dev
,
const
char
*
name
)
{
if
(
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
)
{
pci_write_config_dword
(
dev
,
PCI_ROM_ADDRESS
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
|
PCI_ROM_ADDRESS_ENABLE
);
printk
(
"%s: ROM enabled at 0x%08lx
\n
"
,
name
,
dev
->
resource
[
PCI_ROM_RESOURCE
].
start
);
}
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
pdc202_devs
[
n_pdc202_devs
++
]
=
dev
;
if
(
!
pdc202xx_proc
)
{
pdc202xx_proc
=
1
;
ide_pci_register_host_proc
(
&
pdc202xx_procs
[
0
]);
}
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
/*
* software reset - this is required because the bios
* will set UDMA timing on if the hdd supports it. The
* user may want to turn udma off. A bug in the pdc20262
* is that it cannot handle a downgrade in timing from
* UDMA to DMA. Disk accesses after issuing a set
* feature command will result in errors. A software
* reset leaves the timing registers intact,
* but resets the drives.
*/
#if 0
if ((dev->device == PCI_DEVICE_ID_PROMISE_20267) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20265) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20263) ||
(dev->device == PCI_DEVICE_ID_PROMISE_20262)) {
unsigned long high_16 = pci_resource_start(dev, 4);
byte udma_speed_flag = inb(high_16 + 0x001f);
outb(udma_speed_flag | 0x10, high_16 + 0x001f);
mdelay(100);
outb(udma_speed_flag & ~0x10, high_16 + 0x001f);
mdelay(2000); /* 2 seconds ?! */
}
#endif
return
dev
->
irq
;
}
static
void
__init
init_hwif_pdc202xx
(
ide_hwif_t
*
hwif
)
{
hwif
->
autodma
=
0
;
hwif
->
tuneproc
=
&
pdc202xx_tune_drive
;
hwif
->
quirkproc
=
&
pdc202xx_quirkproc
;
if
(
hwif
->
pci_dev
->
device
==
PCI_DEVICE_ID_PROMISE_20265
)
hwif
->
addressing
=
(
hwif
->
channel
)
?
0
:
1
;
if
(
hwif
->
pci_dev
->
device
!=
PCI_DEVICE_ID_PROMISE_20246
)
{
hwif
->
busproc
=
&
pdc202xx_tristate
;
hwif
->
resetproc
=
&
pdc202xx_reset
;
}
hwif
->
speedproc
=
&
pdc202xx_tune_chipset
;
if
(
!
hwif
->
dma_base
)
{
hwif
->
drives
[
0
].
autotune
=
hwif
->
drives
[
1
].
autotune
=
1
;
return
;
}
hwif
->
ultra_mask
=
0x3f
;
hwif
->
mwdma_mask
=
0x07
;
hwif
->
swdma_mask
=
0x07
;
#ifdef CONFIG_BLK_DEV_IDEDMA
hwif
->
ide_dma_check
=
&
pdc202xx_config_drive_xfer_rate
;
hwif
->
ide_dma_lostirq
=
&
pdc202xx_ide_dma_lostirq
;
hwif
->
ide_dma_timeout
=
&
pdc202xx_ide_dma_timeout
;
if
(
hwif
->
pci_dev
->
device
!=
PCI_DEVICE_ID_PROMISE_20246
)
{
if
(
!
(
hwif
->
udma_four
))
hwif
->
udma_four
=
(
pdc202xx_old_cable_detect
(
hwif
))
?
0
:
1
;
hwif
->
ide_dma_begin
=
&
pdc202xx_old_ide_dma_begin
;
hwif
->
ide_dma_end
=
&
pdc202xx_old_ide_dma_end
;
}
hwif
->
ide_dma_test_irq
=
&
pdc202xx_old_ide_dma_test_irq
;
if
(
!
noautodma
)
hwif
->
autodma
=
1
;
hwif
->
drives
[
0
].
autodma
=
hwif
->
drives
[
1
].
autodma
=
hwif
->
autodma
;
#endif
/* CONFIG_BLK_DEV_IDEDMA */
#if PDC202_DEBUG_CABLE
printk
(
"%s: %s-pin cable
\n
"
,
hwif
->
name
,
hwif
->
udma_four
?
"80"
:
"40"
);
#endif
/* PDC202_DEBUG_CABLE */
}
static
void
__init
init_dma_pdc202xx
(
ide_hwif_t
*
hwif
,
unsigned
long
dmabase
)
{
u8
udma_speed_flag
=
0
,
primary_mode
=
0
,
secondary_mode
=
0
;
if
(
hwif
->
channel
)
{
ide_setup_dma
(
hwif
,
dmabase
,
8
);
return
;
}
udma_speed_flag
=
hwif
->
INB
((
dmabase
|
0x1f
));
primary_mode
=
hwif
->
INB
((
dmabase
|
0x1a
));
secondary_mode
=
hwif
->
INB
((
dmabase
|
0x1b
));
printk
(
"%s: (U)DMA Burst Bit %sABLED "
\
"Primary %s Mode "
\
"Secondary %s Mode.
\n
"
,
hwif
->
cds
->
name
,
(
udma_speed_flag
&
1
)
?
"EN"
:
"DIS"
,
(
primary_mode
&
1
)
?
"MASTER"
:
"PCI"
,
(
secondary_mode
&
1
)
?
"MASTER"
:
"PCI"
);
#ifdef CONFIG_PDC202XX_BURST
if
(
!
(
udma_speed_flag
&
1
))
{
printk
(
"%s: FORCING BURST BIT 0x%02x->0x%02x "
,
hwif
->
cds
->
name
,
udma_speed_flag
,
(
udma_speed_flag
|
1
));
hwif
->
OUTB
(
udma_speed_flag
|
1
,(
dmabase
|
0x1f
));
printk
(
"%sACTIVE
\n
"
,
(
hwif
->
INB
(
dmabase
|
0x1f
)
&
1
)
?
""
:
"IN"
);
}
#endif
/* CONFIG_PDC202XX_BURST */
#ifdef CONFIG_PDC202XX_MASTER
if
(
!
(
primary_mode
&
1
))
{
printk
(
"%s: FORCING PRIMARY MODE BIT "
"0x%02x -> 0x%02x "
,
hwif
->
cds
->
name
,
primary_mode
,
(
primary_mode
|
1
));
hwif
->
OUTB
(
primary_mode
|
1
,
(
dmabase
|
0x1a
));
printk
(
"%s
\n
"
,
(
hwif
->
INB
((
dmabase
|
0x1a
))
&
1
)
?
"MASTER"
:
"PCI"
);
}
if
(
!
(
secondary_mode
&
1
))
{
printk
(
"%s: FORCING SECONDARY MODE BIT "
"0x%02x -> 0x%02x "
,
hwif
->
cds
->
name
,
secondary_mode
,
(
secondary_mode
|
1
));
hwif
->
OUTB
(
secondary_mode
|
1
,
(
dmabase
|
0x1b
));
printk
(
"%s
\n
"
,
(
hwif
->
INB
((
dmabase
|
0x1b
))
&
1
)
?
"MASTER"
:
"PCI"
);
}
#endif
/* CONFIG_PDC202XX_MASTER */
ide_setup_dma
(
hwif
,
dmabase
,
8
);
}
extern
void
ide_setup_pci_device
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
extern
void
ide_setup_pci_devices
(
struct
pci_dev
*
,
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
__init
init_setup_pdc202ata4
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
class
>>
8
)
!=
PCI_CLASS_STORAGE_IDE
)
{
u8
irq
=
0
,
irq2
=
0
;
pci_read_config_byte
(
dev
,
PCI_INTERRUPT_LINE
,
&
irq
);
/* 0xbc */
pci_read_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
&
irq2
);
if
(
irq
!=
irq2
)
{
pci_write_config_byte
(
dev
,
(
PCI_INTERRUPT_LINE
)
|
0x80
,
irq
);
/* 0xbc */
printk
(
"%s: pci-config space interrupt "
"mirror fixed.
\n
"
,
d
->
name
);
}
}
#if 0
if (dev->device == PCI_DEVICE_ID_PROMISE_20262)
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
if (d->enablebits[0].reg != d->enablebits[1].reg) {
d->enablebits[0].reg = d->enablebits[1].reg;
d->enablebits[0].mask = d->enablebits[1].mask;
d->enablebits[0].val = d->enablebits[1].val;
}
#endif
ide_setup_pci_device
(
dev
,
d
);
}
static
void
__init
init_setup_pdc20265
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
if
((
dev
->
bus
->
self
)
&&
(
dev
->
bus
->
self
->
vendor
==
PCI_VENDOR_ID_INTEL
)
&&
((
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960
)
||
(
dev
->
bus
->
self
->
device
==
PCI_DEVICE_ID_INTEL_I960RM
)))
{
printk
(
KERN_INFO
"ide: Skipping Promise PDC20265 "
"attached to I2O RAID controller.
\n
"
);
return
;
}
#if 0
{
u8 pri = 0, sec = 0;
if (e->reg && (pci_read_config_byte(dev, e->reg, &tmp) ||
(tmp & e->mask) != e->val))
if (d->enablebits[0].reg != d->enablebits[1].reg) {
d->enablebits[0].reg = d->enablebits[1].reg;
d->enablebits[0].mask = d->enablebits[1].mask;
d->enablebits[0].val = d->enablebits[1].val;
}
}
#endif
ide_setup_pci_device
(
dev
,
d
);
}
static
void
__init
init_setup_pdc202xx
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
)
{
ide_setup_pci_device
(
dev
,
d
);
}
int
__init
pdc202xx_scan_pcidev
(
struct
pci_dev
*
dev
)
{
ide_pci_device_t
*
d
;
if
(
dev
->
vendor
!=
PCI_VENDOR_ID_PROMISE
)
return
0
;
for
(
d
=
pdc202xx_chipsets
;
d
&&
d
->
vendor
&&
d
->
device
;
++
d
)
{
if
(((
d
->
vendor
==
dev
->
vendor
)
&&
(
d
->
device
==
dev
->
device
))
&&
(
d
->
init_setup
))
{
d
->
init_setup
(
dev
,
d
);
return
1
;
}
}
return
0
;
}
drivers/ide/pci/pdc202xx_old.h
0 → 100644
View file @
b4cd8709
#ifndef PDC202XX_H
#define PDC202XX_H
#include <linux/config.h>
#include <linux/pci.h>
#include <linux/ide.h>
#define DISPLAY_PDC202XX_TIMINGS
#ifndef SPLIT_BYTE
#define SPLIT_BYTE(B,H,L) ((H)=(B>>4), (L)=(B-((B>>4)<<4)))
#endif
#define PDC202XX_DEBUG_DRIVE_INFO 0
#define PDC202XX_DECODE_REGISTER_INFO 0
const
static
char
*
pdc_quirk_drives
[]
=
{
"QUANTUM FIREBALLlct08 08"
,
"QUANTUM FIREBALLP KA6.4"
,
"QUANTUM FIREBALLP KA9.1"
,
"QUANTUM FIREBALLP LM20.4"
,
"QUANTUM FIREBALLP KX13.6"
,
"QUANTUM FIREBALLP KX20.5"
,
"QUANTUM FIREBALLP KX27.3"
,
"QUANTUM FIREBALLP LM20.5"
,
NULL
};
static
inline
u8
*
pdc202xx_pio_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00000401
)
==
0x00000401
)
return
(
"PIO 4"
);
if
((
drive_pci
&
0x00000602
)
==
0x00000602
)
return
(
"PIO 3"
);
if
((
drive_pci
&
0x00000803
)
==
0x00000803
)
return
(
"PIO 2"
);
if
((
drive_pci
&
0x00000C05
)
==
0x00000C05
)
return
(
"PIO 1"
);
if
((
drive_pci
&
0x00001309
)
==
0x00001309
)
return
(
"PIO 0"
);
return
(
"PIO ?"
);
}
static
inline
u8
*
pdc202xx_dma_verbose
(
u32
drive_pci
)
{
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"MWDMA 2"
);
if
((
drive_pci
&
0x00046000
)
==
0x00046000
)
return
(
"MWDMA 1"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"MWDMA 0"
);
if
((
drive_pci
&
0x00056000
)
==
0x00056000
)
return
(
"SWDMA 2"
);
if
((
drive_pci
&
0x00068000
)
==
0x00068000
)
return
(
"SWDMA 1"
);
if
((
drive_pci
&
0x000BC000
)
==
0x000BC000
)
return
(
"SWDMA 0"
);
return
(
"PIO---"
);
}
static
inline
u8
*
pdc202xx_ultra_verbose
(
u32
drive_pci
,
u16
slow_cable
)
{
if
((
drive_pci
&
0x000ff000
)
==
0x000ff000
)
return
(
"NOTSET"
);
if
((
drive_pci
&
0x00012000
)
==
0x00012000
)
return
((
slow_cable
)
?
"UDMA 2"
:
"UDMA 4"
);
if
((
drive_pci
&
0x00024000
)
==
0x00024000
)
return
((
slow_cable
)
?
"UDMA 1"
:
"UDMA 3"
);
if
((
drive_pci
&
0x00036000
)
==
0x00036000
)
return
(
"UDMA 0"
);
return
(
pdc202xx_dma_verbose
(
drive_pci
));
}
/* A Register */
#define SYNC_ERRDY_EN 0xC0
#define SYNC_IN 0x80
/* control bit, different for master vs. slave drives */
#define ERRDY_EN 0x40
/* control bit, different for master vs. slave drives */
#define IORDY_EN 0x20
/* PIO: IOREADY */
#define PREFETCH_EN 0x10
/* PIO: PREFETCH */
#define PA3 0x08
/* PIO"A" timing */
#define PA2 0x04
/* PIO"A" timing */
#define PA1 0x02
/* PIO"A" timing */
#define PA0 0x01
/* PIO"A" timing */
/* B Register */
#define MB2 0x80
/* DMA"B" timing */
#define MB1 0x40
/* DMA"B" timing */
#define MB0 0x20
/* DMA"B" timing */
#define PB4 0x10
/* PIO_FORCE 1:0 */
#define PB3 0x08
/* PIO"B" timing */
/* PIO flow Control mode */
#define PB2 0x04
/* PIO"B" timing */
/* PIO 4 */
#define PB1 0x02
/* PIO"B" timing */
/* PIO 3 half */
#define PB0 0x01
/* PIO"B" timing */
/* PIO 3 other half */
/* C Register */
#define IORDYp_NO_SPEED 0x4F
#define SPEED_DIS 0x0F
#define DMARQp 0x80
#define IORDYp 0x40
#define DMAR_EN 0x20
#define DMAW_EN 0x10
#define MC3 0x08
/* DMA"C" timing */
#define MC2 0x04
/* DMA"C" timing */
#define MC1 0x02
/* DMA"C" timing */
#define MC0 0x01
/* DMA"C" timing */
#if PDC202XX_DECODE_REGISTER_INFO
#define REG_A 0x01
#define REG_B 0x02
#define REG_C 0x04
#define REG_D 0x08
static
void
decode_registers
(
u8
registers
,
u8
value
)
{
u8
bit
=
0
,
bit1
=
0
,
bit2
=
0
;
switch
(
registers
)
{
case
REG_A
:
bit2
=
0
;
printk
(
"A Register "
);
if
(
value
&
0x80
)
printk
(
"SYNC_IN "
);
if
(
value
&
0x40
)
printk
(
"ERRDY_EN "
);
if
(
value
&
0x20
)
printk
(
"IORDY_EN "
);
if
(
value
&
0x10
)
printk
(
"PREFETCH_EN "
);
if
(
value
&
0x08
)
{
printk
(
"PA3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PA2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PA1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PA0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(A) = %d "
,
bit2
);
break
;
case
REG_B
:
bit1
=
0
;
bit2
=
0
;
printk
(
"B Register "
);
if
(
value
&
0x80
)
{
printk
(
"MB2 "
);
bit1
|=
0x80
;
}
if
(
value
&
0x40
)
{
printk
(
"MB1 "
);
bit1
|=
0x40
;
}
if
(
value
&
0x20
)
{
printk
(
"MB0 "
);
bit1
|=
0x20
;
}
printk
(
"DMA(B) = %d "
,
bit1
>>
5
);
if
(
value
&
0x10
)
printk
(
"PIO_FORCED/PB4 "
);
if
(
value
&
0x08
)
{
printk
(
"PB3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"PB2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"PB1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"PB0 "
);
bit2
|=
0x01
;
}
printk
(
"PIO(B) = %d "
,
bit2
);
break
;
case
REG_C
:
bit2
=
0
;
printk
(
"C Register "
);
if
(
value
&
0x80
)
printk
(
"DMARQp "
);
if
(
value
&
0x40
)
printk
(
"IORDYp "
);
if
(
value
&
0x20
)
printk
(
"DMAR_EN "
);
if
(
value
&
0x10
)
printk
(
"DMAW_EN "
);
if
(
value
&
0x08
)
{
printk
(
"MC3 "
);
bit2
|=
0x08
;
}
if
(
value
&
0x04
)
{
printk
(
"MC2 "
);
bit2
|=
0x04
;
}
if
(
value
&
0x02
)
{
printk
(
"MC1 "
);
bit2
|=
0x02
;
}
if
(
value
&
0x01
)
{
printk
(
"MC0 "
);
bit2
|=
0x01
;
}
printk
(
"DMA(C) = %d "
,
bit2
);
break
;
case
REG_D
:
printk
(
"D Register "
);
break
;
default:
return
;
}
printk
(
"
\n
%s "
,
(
registers
&
REG_D
)
?
"DP"
:
(
registers
&
REG_C
)
?
"CP"
:
(
registers
&
REG_B
)
?
"BP"
:
(
registers
&
REG_A
)
?
"AP"
:
"ERROR"
);
for
(
bit
=
128
;
bit
>
0
;
bit
/=
2
)
printk
(
"%s"
,
(
value
&
bit
)
?
"1"
:
"0"
);
printk
(
"
\n
"
);
}
#endif
/* PDC202XX_DECODE_REGISTER_INFO */
#define set_2regs(a, b) \
do { \
hwif->OUTB((a + adj), indexreg); \
hwif->OUTB(b, datareg); \
} while(0)
#define set_ultra(a, b, c) \
do { \
set_2regs(0x10,(a)); \
set_2regs(0x11,(b)); \
set_2regs(0x12,(c)); \
} while(0)
#define set_ata2(a, b) \
do { \
set_2regs(0x0e,(a)); \
set_2regs(0x0f,(b)); \
} while(0)
#define set_pio(a, b, c) \
do { \
set_2regs(0x0c,(a)); \
set_2regs(0x0d,(b)); \
set_2regs(0x13,(c)); \
} while(0)
#define DISPLAY_PDC202XX_TIMINGS
#if defined(DISPLAY_PDC202XX_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static
u8
pdc202xx_proc
;
static
int
pdc202xx_get_info
(
char
*
,
char
**
,
off_t
,
int
);
static
ide_pci_host_proc_t
pdc202xx_procs
[]
__initdata
=
{
{
name:
"pdc202xx"
,
set:
1
,
get_info:
pdc202xx_get_info
,
parent:
NULL
,
},
};
#endif
/* DISPLAY_PDC202XX_TIMINGS && CONFIG_PROC_FS */
static
void
init_setup_pdc202ata4
(
struct
pci_dev
*
dev
,
ide_pci_device_t
*
d
);
static
void
init_setup_pdc20265
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
void
init_setup_pdc202xx
(
struct
pci_dev
*
,
ide_pci_device_t
*
);
static
unsigned
int
init_chipset_pdc202xx
(
struct
pci_dev
*
,
const
char
*
);
static
void
init_hwif_pdc202xx
(
ide_hwif_t
*
);
static
void
init_dma_pdc202xx
(
ide_hwif_t
*
,
unsigned
long
);
static
ide_pci_device_t
pdc202xx_chipsets
[]
__initdata
=
{
{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20246
,
name:
"PDC20246"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
16
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20262
,
name:
"PDC20262"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20263
,
name:
"PDC20263"
,
init_setup:
init_setup_pdc202ata4
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20265
,
name:
"PDC20265"
,
init_setup:
init_setup_pdc20265
,
init_chipset:
init_chipset_pdc202xx
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
PCI_VENDOR_ID_PROMISE
,
device:
PCI_DEVICE_ID_PROMISE_20267
,
name:
"PDC20267"
,
init_setup:
init_setup_pdc202xx
,
init_chipset:
init_chipset_pdc202xx
,
init_iops:
NULL
,
init_hwif:
init_hwif_pdc202xx
,
init_dma:
init_dma_pdc202xx
,
channels:
2
,
autodma:
AUTODMA
,
#ifdef CONFIG_PDC202XX_FORCE
enablebits:
{{
0x00
,
0x00
,
0x00
},
{
0x00
,
0x00
,
0x00
}},
#else
/* !CONFIG_PDC202XX_FORCE */
enablebits:
{{
0x50
,
0x02
,
0x02
},
{
0x50
,
0x04
,
0x04
}},
#endif
bootable:
OFF_BOARD
,
extra:
48
,
},{
vendor:
0
,
device:
0
,
channels:
0
,
bootable:
EOL
,
}
};
#endif
/* PDC202XX_H */
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