summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/pci/cmd640.c94
1 files changed, 48 insertions, 46 deletions
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index 662099a98a7..b076dbfc43a 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -4,7 +4,7 @@
/*
* Original authors: abramov@cecmow.enet.dec.com (Igor Abramov)
- * mlord@pobox.com (Mark Lord)
+ * mlord@pobox.com (Mark Lord)
*
* See linux/MAINTAINERS for address of current maintainer.
*
@@ -98,7 +98,7 @@
#define CMD640_PREFETCH_MASKS 1
-//#define CMD640_DUMP_REGS
+/*#define CMD640_DUMP_REGS */
#include <linux/types.h>
#include <linux/kernel.h>
@@ -112,7 +112,7 @@
/*
* This flag is set in ide.c by the parameter: ide0=cmd640_vlb
*/
-int cmd640_vlb = 0;
+int cmd640_vlb;
/*
* CMD640 specific registers definition.
@@ -206,13 +206,13 @@ static unsigned int cmd640_chip_version;
/* PCI method 1 access */
-static void put_cmd640_reg_pci1 (u16 reg, u8 val)
+static void put_cmd640_reg_pci1(u16 reg, u8 val)
{
outl_p((reg & 0xfc) | cmd640_key, 0xcf8);
outb_p(val, (reg & 3) | 0xcfc);
}
-static u8 get_cmd640_reg_pci1 (u16 reg)
+static u8 get_cmd640_reg_pci1(u16 reg)
{
outl_p((reg & 0xfc) | cmd640_key, 0xcf8);
return inb_p((reg & 3) | 0xcfc);
@@ -220,14 +220,14 @@ static u8 get_cmd640_reg_pci1 (u16 reg)
/* PCI method 2 access (from CMD datasheet) */
-static void put_cmd640_reg_pci2 (u16 reg, u8 val)
+static void put_cmd640_reg_pci2(u16 reg, u8 val)
{
outb_p(0x10, 0xcf8);
outb_p(val, cmd640_key + reg);
outb_p(0, 0xcf8);
}
-static u8 get_cmd640_reg_pci2 (u16 reg)
+static u8 get_cmd640_reg_pci2(u16 reg)
{
u8 b;
@@ -239,13 +239,13 @@ static u8 get_cmd640_reg_pci2 (u16 reg)
/* VLB access */
-static void put_cmd640_reg_vlb (u16 reg, u8 val)
+static void put_cmd640_reg_vlb(u16 reg, u8 val)
{
outb_p(reg, cmd640_key);
outb_p(val, cmd640_key + 4);
}
-static u8 get_cmd640_reg_vlb (u16 reg)
+static u8 get_cmd640_reg_vlb(u16 reg)
{
outb_p(reg, cmd640_key);
return inb_p(cmd640_key + 4);
@@ -267,11 +267,11 @@ static void put_cmd640_reg(u16 reg, u8 val)
unsigned long flags;
spin_lock_irqsave(&cmd640_lock, flags);
- __put_cmd640_reg(reg,val);
+ __put_cmd640_reg(reg, val);
spin_unlock_irqrestore(&cmd640_lock, flags);
}
-static int __init match_pci_cmd640_device (void)
+static int __init match_pci_cmd640_device(void)
{
const u8 ven_dev[4] = {0x95, 0x10, 0x40, 0x06};
unsigned int i;
@@ -291,7 +291,7 @@ static int __init match_pci_cmd640_device (void)
/*
* Probe for CMD640x -- pci method 1
*/
-static int __init probe_for_cmd640_pci1 (void)
+static int __init probe_for_cmd640_pci1(void)
{
__get_cmd640_reg = get_cmd640_reg_pci1;
__put_cmd640_reg = put_cmd640_reg_pci1;
@@ -307,7 +307,7 @@ static int __init probe_for_cmd640_pci1 (void)
/*
* Probe for CMD640x -- pci method 2
*/
-static int __init probe_for_cmd640_pci2 (void)
+static int __init probe_for_cmd640_pci2(void)
{
__get_cmd640_reg = get_cmd640_reg_pci2;
__put_cmd640_reg = put_cmd640_reg_pci2;
@@ -321,7 +321,7 @@ static int __init probe_for_cmd640_pci2 (void)
/*
* Probe for CMD640x -- vlb
*/
-static int __init probe_for_cmd640_vlb (void)
+static int __init probe_for_cmd640_vlb(void)
{
u8 b;
@@ -342,7 +342,7 @@ static int __init probe_for_cmd640_vlb (void)
* Returns 1 if an IDE interface/drive exists at 0x170,
* Returns 0 otherwise.
*/
-static int __init secondary_port_responding (void)
+static int __init secondary_port_responding(void)
{
unsigned long flags;
@@ -366,7 +366,7 @@ static int __init secondary_port_responding (void)
/*
* Dump out all cmd640 registers. May be called from ide.c
*/
-static void cmd640_dump_regs (void)
+static void cmd640_dump_regs(void)
{
unsigned int reg = cmd640_vlb ? 0x50 : 0x00;
@@ -435,7 +435,7 @@ static void set_prefetch_mode(ide_drive_t *drive, unsigned int index, int mode)
/*
* Dump out current drive clocks settings
*/
-static void display_clocks (unsigned int index)
+static void display_clocks(unsigned int index)
{
u8 active_count, recovery_count;
@@ -454,7 +454,7 @@ static void display_clocks (unsigned int index)
* Pack active and recovery counts into single byte representation
* used by controller
*/
-static inline u8 pack_nibbles (u8 upper, u8 lower)
+static inline u8 pack_nibbles(u8 upper, u8 lower)
{
return ((upper & 0x0f) << 4) | (lower & 0x0f);
}
@@ -462,7 +462,7 @@ static inline u8 pack_nibbles (u8 upper, u8 lower)
/*
* This routine retrieves the initial drive timings from the chipset.
*/
-static void __init retrieve_drive_counts (unsigned int index)
+static void __init retrieve_drive_counts(unsigned int index)
{
u8 b;
@@ -471,10 +471,10 @@ static void __init retrieve_drive_counts (unsigned int index)
*/
b = get_cmd640_reg(arttim_regs[index]) & ~0x3f;
switch (b) {
- case 0x00: b = 4; break;
- case 0x80: b = 3; break;
- case 0x40: b = 2; break;
- default: b = 5; break;
+ case 0x00: b = 4; break;
+ case 0x80: b = 3; break;
+ case 0x40: b = 2; break;
+ default: b = 5; break;
}
setup_counts[index] = b;
@@ -523,11 +523,11 @@ static void program_drive_counts(ide_drive_t *drive, unsigned int index)
* Convert setup_count to internal chipset representation
*/
switch (setup_count) {
- case 4: setup_count = 0x00; break;
- case 3: setup_count = 0x80; break;
- case 1:
- case 2: setup_count = 0x40; break;
- default: setup_count = 0xc0; /* case 5 */
+ case 4: setup_count = 0x00; break;
+ case 3: setup_count = 0x80; break;
+ case 1:
+ case 2: setup_count = 0x40; break;
+ default: setup_count = 0xc0; /* case 5 */
}
/*
@@ -607,20 +607,21 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio)
u8 b;
switch (pio) {
- case 6: /* set fast-devsel off */
- case 7: /* set fast-devsel on */
- b = get_cmd640_reg(CNTRL) & ~0x27;
- if (pio & 1)
- b |= 0x27;
- put_cmd640_reg(CNTRL, b);
- printk("%s: %sabled cmd640 fast host timing (devsel)\n", drive->name, (pio & 1) ? "en" : "dis");
- return;
-
- case 8: /* set prefetch off */
- case 9: /* set prefetch on */
- set_prefetch_mode(drive, index, pio & 1);
- printk("%s: %sabled cmd640 prefetch\n", drive->name, (pio & 1) ? "en" : "dis");
- return;
+ case 6: /* set fast-devsel off */
+ case 7: /* set fast-devsel on */
+ b = get_cmd640_reg(CNTRL) & ~0x27;
+ if (pio & 1)
+ b |= 0x27;
+ put_cmd640_reg(CNTRL, b);
+ printk("%s: %sabled cmd640 fast host timing (devsel)\n",
+ drive->name, (pio & 1) ? "en" : "dis");
+ return;
+ case 8: /* set prefetch off */
+ case 9: /* set prefetch on */
+ set_prefetch_mode(drive, index, pio & 1);
+ printk("%s: %sabled cmd640 prefetch\n",
+ drive->name, (pio & 1) ? "en" : "dis");
+ return;
}
cycle_time = ide_pio_cycle_time(drive, pio);
@@ -729,7 +730,7 @@ static int __init cmd640x_init(void)
cfr = get_cmd640_reg(CFR);
cmd640_chip_version = cfr & CFR_DEVREV;
if (cmd640_chip_version == 0) {
- printk ("ide: bad cmd640 revision: %d\n", cmd640_chip_version);
+ printk("ide: bad cmd640 revision: %d\n", cmd640_chip_version);
return 0;
}
@@ -835,9 +836,10 @@ static int __init cmd640x_init(void)
#ifdef CONFIG_BLK_DEV_CMD640_ENHANCED
if (drive->autotune || ((index > 1) && second_port_toggled)) {
- /*
- * Reset timing to the slowest speed and turn off prefetch.
- * This way, the drive identify code has a better chance.
+ /*
+ * Reset timing to the slowest speed and turn off
+ * prefetch. This way, the drive identify code has
+ * a better chance.
*/
setup_counts [index] = 4; /* max possible */
active_counts [index] = 16; /* max possible */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 23:25:05 +0000