* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#endif
#define MB_FCR32(bay, r) ((bay)->base + ((r) >> 2))
-#define MB_FCR8(bay, r) (((volatile u8*)((bay)->base)) + (r))
+#define MB_FCR8(bay, r) (((volatile u8 __iomem *)((bay)->base)) + (r))
#define MB_IN32(bay,r) (in_le32(MB_FCR32(bay,r)))
#define MB_OUT32(bay,r,v) (out_le32(MB_FCR32(bay,r), (v)))
};
struct media_bay_info {
- volatile u32* base;
+ u32 __iomem *base;
int content_id;
int state;
int last_value;
int sleeping;
struct semaphore lock;
#ifdef CONFIG_BLK_DEV_IDE
- unsigned long cd_base;
+ void __iomem *cd_base;
int cd_index;
int cd_irq;
int cd_retry;
#define MB_IDE_READY(i) ((readb(media_bays[i].cd_base + 0x70) & 0x80) == 0)
#endif
-/* Note: All delays are not in milliseconds and converted to HZ relative
- * values by the macro below
- */
-#define MS_TO_HZ(ms) ((ms * HZ + 999) / 1000)
-
/*
* Wait that number of ms between each step in normal polling mode
*/
* Functions for polling content of media bay
*/
-static u8 __pmac
+static u8
ohare_mb_content(struct media_bay_info *bay)
{
return (MB_IN32(bay, OHARE_MBCR) >> 12) & 7;
}
-static u8 __pmac
+static u8
heathrow_mb_content(struct media_bay_info *bay)
{
return (MB_IN32(bay, HEATHROW_MBCR) >> 12) & 7;
}
-static u8 __pmac
+static u8
keylargo_mb_content(struct media_bay_info *bay)
{
int new_gpio;
* into reset state as well
*/
-static void __pmac
+static void
ohare_mb_power(struct media_bay_info* bay, int on_off)
{
if (on_off) {
MB_BIC(bay, OHARE_MBCR, 0x00000F00);
}
-static void __pmac
+static void
heathrow_mb_power(struct media_bay_info* bay, int on_off)
{
if (on_off) {
MB_BIC(bay, HEATHROW_MBCR, 0x00000F00);
}
-static void __pmac
+static void
keylargo_mb_power(struct media_bay_info* bay, int on_off)
{
if (on_off) {
* enable the related busses
*/
-static int __pmac
+static int
ohare_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
{
switch(device_id) {
return -ENODEV;
}
-static int __pmac
+static int
heathrow_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
{
switch(device_id) {
return -ENODEV;
}
-static int __pmac
+static int
keylargo_mb_setup_bus(struct media_bay_info* bay, u8 device_id)
{
switch(device_id) {
* Functions for tweaking resets
*/
-static void __pmac
+static void
ohare_mb_un_reset(struct media_bay_info* bay)
{
MB_BIS(bay, OHARE_FCR, OH_BAY_RESET_N);
}
-static void __pmac keylargo_mb_init(struct media_bay_info *bay)
+static void keylargo_mb_init(struct media_bay_info *bay)
{
MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_ENABLE);
}
-static void __pmac heathrow_mb_un_reset(struct media_bay_info* bay)
+static void heathrow_mb_un_reset(struct media_bay_info* bay)
{
MB_BIS(bay, HEATHROW_FCR, HRW_BAY_RESET_N);
}
-static void __pmac keylargo_mb_un_reset(struct media_bay_info* bay)
+static void keylargo_mb_un_reset(struct media_bay_info* bay)
{
MB_BIS(bay, KEYLARGO_MBCR, KL_MBCR_MB0_DEV_RESET);
}
-static void __pmac ohare_mb_un_reset_ide(struct media_bay_info* bay)
+static void ohare_mb_un_reset_ide(struct media_bay_info* bay)
{
MB_BIS(bay, OHARE_FCR, OH_IDE1_RESET_N);
}
-static void __pmac heathrow_mb_un_reset_ide(struct media_bay_info* bay)
+static void heathrow_mb_un_reset_ide(struct media_bay_info* bay)
{
MB_BIS(bay, HEATHROW_FCR, HRW_IDE1_RESET_N);
}
-static void __pmac keylargo_mb_un_reset_ide(struct media_bay_info* bay)
+static void keylargo_mb_un_reset_ide(struct media_bay_info* bay)
{
MB_BIS(bay, KEYLARGO_FCR1, KL1_EIDE0_RESET_N);
}
-static inline void __pmac set_mb_power(struct media_bay_info* bay, int onoff)
+static inline void set_mb_power(struct media_bay_info* bay, int onoff)
{
/* Power up up and assert the bay reset line */
if (onoff) {
bay->state = mb_powering_down;
MBDBG("mediabay%d: powering down\n", bay->index);
}
- bay->timer = MS_TO_HZ(MB_POWER_DELAY);
+ bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
}
-static void __pmac poll_media_bay(struct media_bay_info* bay)
+static void poll_media_bay(struct media_bay_info* bay)
{
int id = bay->ops->content(bay);
if (id == bay->last_value) {
if (id != bay->content_id) {
- bay->value_count += MS_TO_HZ(MB_POLL_DELAY);
- if (bay->value_count >= MS_TO_HZ(MB_STABLE_DELAY)) {
+ bay->value_count += msecs_to_jiffies(MB_POLL_DELAY);
+ if (bay->value_count >= msecs_to_jiffies(MB_STABLE_DELAY)) {
/* If the device type changes without going thru
* "MB_NO", we force a pass by "MB_NO" to make sure
* things are properly reset
}
}
-int __pmac check_media_bay(struct device_node *which_bay, int what)
+int check_media_bay(struct device_node *which_bay, int what)
{
#ifdef CONFIG_BLK_DEV_IDE
int i;
}
EXPORT_SYMBOL(check_media_bay);
-int __pmac check_media_bay_by_base(unsigned long base, int what)
+int check_media_bay_by_base(unsigned long base, int what)
{
#ifdef CONFIG_BLK_DEV_IDE
int i;
for (i=0; i<media_bay_count; i++)
- if (media_bays[i].mdev && base == media_bays[i].cd_base) {
+ if (media_bays[i].mdev && base == (unsigned long) media_bays[i].cd_base) {
if ((what == media_bays[i].content_id) && media_bays[i].state == mb_up)
return 0;
media_bays[i].cd_index = -1;
return -ENODEV;
}
-int __pmac media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
+int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
int irq, int index)
{
#ifdef CONFIG_BLK_DEV_IDE
down(&bay->lock);
- bay->cd_base = base;
+ bay->cd_base = (void __iomem *) base;
bay->cd_irq = irq;
if ((MB_CD != bay->content_id) || bay->state != mb_up) {
return -ENODEV;
}
-static void __pmac media_bay_step(int i)
+static void media_bay_step(int i)
{
struct media_bay_info* bay = &media_bays[i];
/* If timer expired or polling IDE busy, run state machine */
if ((bay->state != mb_ide_waiting) && (bay->timer != 0)) {
- bay->timer -= MS_TO_HZ(MB_POLL_DELAY);
+ bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
if (bay->timer > 0)
return;
bay->timer = 0;
set_mb_power(bay, 0);
break;
}
- bay->timer = MS_TO_HZ(MB_RESET_DELAY);
+ bay->timer = msecs_to_jiffies(MB_RESET_DELAY);
bay->state = mb_enabling_bay;
MBDBG("mediabay%d: enabling (kind:%d)\n", i, bay->content_id);
break;
case mb_enabling_bay:
bay->ops->un_reset(bay);
- bay->timer = MS_TO_HZ(MB_SETUP_DELAY);
+ bay->timer = msecs_to_jiffies(MB_SETUP_DELAY);
bay->state = mb_resetting;
MBDBG("mediabay%d: waiting reset (kind:%d)\n", i, bay->content_id);
break;
#ifdef CONFIG_BLK_DEV_IDE
MBDBG("mediabay%d: waiting IDE reset (kind:%d)\n", i, bay->content_id);
bay->ops->un_reset_ide(bay);
- bay->timer = MS_TO_HZ(MB_IDE_WAIT);
+ bay->timer = msecs_to_jiffies(MB_IDE_WAIT);
bay->state = mb_ide_resetting;
#else
printk(KERN_DEBUG "media-bay %d is ide (not compiled in kernel)\n", i);
#ifdef CONFIG_BLK_DEV_IDE
case mb_ide_resetting:
- bay->timer = MS_TO_HZ(MB_IDE_TIMEOUT);
+ bay->timer = msecs_to_jiffies(MB_IDE_TIMEOUT);
bay->state = mb_ide_waiting;
MBDBG("mediabay%d: waiting IDE ready (kind:%d)\n", i, bay->content_id);
break;
case mb_ide_waiting:
- if (bay->cd_base == 0) {
+ if (bay->cd_base == NULL) {
bay->timer = 0;
bay->state = mb_up;
MBDBG("mediabay%d: up before IDE init\n", i);
}
break;
} else if (bay->timer > 0)
- bay->timer -= MS_TO_HZ(MB_POLL_DELAY);
+ bay->timer -= msecs_to_jiffies(MB_POLL_DELAY);
if (bay->timer <= 0) {
printk("\nIDE Timeout in bay %d !, IDE state is: 0x%02x\n",
i, readb(bay->cd_base + 0x70));
* with the IDE driver. It needs to be a thread because
* ide_register can't be called from interrupt context.
*/
-static int __pmac media_bay_task(void *x)
+static int media_bay_task(void *x)
{
int i;
up(&media_bays[i].lock);
}
- current->state = TASK_INTERRUPTIBLE;
- schedule_timeout(MS_TO_HZ(MB_POLL_DELAY));
+ msleep_interruptible(MB_POLL_DELAY);
if (signal_pending(current))
return 0;
}
}
-static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_match *match)
+static int __devinit media_bay_attach(struct macio_dev *mdev, const struct of_device_id *match)
{
struct media_bay_info* bay;
- volatile u32 *regbase;
+ u32 __iomem *regbase;
struct device_node *ofnode;
+ unsigned long base;
int i;
ofnode = mdev->ofdev.node;
if (macio_request_resources(mdev, "media-bay"))
return -EBUSY;
/* Media bay registers are located at the beginning of the
- * mac-io chip, we get the parent address for now (hrm...)
+ * mac-io chip, for now, we trick and align down the first
+ * resource passed in
*/
- regbase = (volatile u32 *)ioremap(ofnode->parent->addrs[0].address, 0x100);
+ base = macio_resource_start(mdev, 0) & 0xffff0000u;
+ regbase = (u32 __iomem *)ioremap(base, 0x100);
if (regbase == NULL) {
macio_release_resources(mdev);
return -ENOMEM;
msleep(MB_POWER_DELAY);
bay->content_id = MB_NO;
bay->last_value = bay->ops->content(bay);
- bay->value_count = MS_TO_HZ(MB_STABLE_DELAY);
+ bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
bay->state = mb_empty;
do {
msleep(MB_POLL_DELAY);
}
-static int __pmac media_bay_suspend(struct macio_dev *mdev, u32 state)
+static int media_bay_suspend(struct macio_dev *mdev, pm_message_t state)
{
struct media_bay_info *bay = macio_get_drvdata(mdev);
- if (state != mdev->ofdev.dev.power_state && state >= 2) {
+ if (state.event != mdev->ofdev.dev.power.power_state.event && state.event == PM_EVENT_SUSPEND) {
down(&bay->lock);
bay->sleeping = 1;
set_mb_power(bay, 0);
up(&bay->lock);
msleep(MB_POLL_DELAY);
- mdev->ofdev.dev.power_state = state;
+ mdev->ofdev.dev.power.power_state = state;
}
return 0;
}
-static int __pmac media_bay_resume(struct macio_dev *mdev)
+static int media_bay_resume(struct macio_dev *mdev)
{
struct media_bay_info *bay = macio_get_drvdata(mdev);
- if (mdev->ofdev.dev.power_state != 0) {
- mdev->ofdev.dev.power_state = 0;
+ if (mdev->ofdev.dev.power.power_state.event != PM_EVENT_ON) {
+ mdev->ofdev.dev.power.power_state = PMSG_ON;
/* We re-enable the bay using it's previous content
only if it did not change. Note those bozo timings,
}
set_mb_power(bay, 1);
bay->last_value = bay->content_id;
- bay->value_count = MS_TO_HZ(MB_STABLE_DELAY);
- bay->timer = MS_TO_HZ(MB_POWER_DELAY);
+ bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
+ bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
#ifdef CONFIG_BLK_DEV_IDE
bay->cd_retry = 0;
#endif
/* Definitions of "ops" structures.
*/
-static struct mb_ops ohare_mb_ops __pmacdata = {
+static struct mb_ops ohare_mb_ops = {
.name = "Ohare",
.content = ohare_mb_content,
.power = ohare_mb_power,
.un_reset_ide = ohare_mb_un_reset_ide,
};
-static struct mb_ops heathrow_mb_ops __pmacdata = {
+static struct mb_ops heathrow_mb_ops = {
.name = "Heathrow",
.content = heathrow_mb_content,
.power = heathrow_mb_power,
.un_reset_ide = heathrow_mb_un_reset_ide,
};
-static struct mb_ops keylargo_mb_ops __pmacdata = {
+static struct mb_ops keylargo_mb_ops = {
.name = "KeyLargo",
.init = keylargo_mb_init,
.content = keylargo_mb_content,
* Therefore we do it all by polling the media bay once each tick.
*/
-static struct of_match media_bay_match[] =
+static struct of_device_id media_bay_match[] =
{
{
.name = "media-bay",
- .type = OF_ANY_MATCH,
.compatible = "keylargo-media-bay",
.data = &keylargo_mb_ops,
},
{
.name = "media-bay",
- .type = OF_ANY_MATCH,
.compatible = "heathrow-media-bay",
.data = &heathrow_mb_ops,
},
{
.name = "media-bay",
- .type = OF_ANY_MATCH,
.compatible = "ohare-media-bay",
.data = &ohare_mb_ops,
},
media_bays[i].cd_index = -1;
#endif
}
- if (_machine != _MACH_Pmac)
- return -ENODEV;
+ if (!machine_is(powermac))
+ return 0;
macio_register_driver(&media_bay_driver);
git://git.onelab.eu / linux-2.6.git / blobdiff