* 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>
#include <linux/delay.h>
#include <linux/sched.h>
#include <linux/timer.h>
-#include <linux/hdreg.h>
#include <linux/stddef.h>
#include <linux/init.h>
#include <linux/ide.h>
+#include <linux/kthread.h>
+#include <linux/mutex.h>
#include <asm/prom.h>
#include <asm/pgtable.h>
#include <asm/io.h>
#define MB_DEBUG
-#define MB_IGNORE_SIGNALS
#ifdef MB_DEBUG
#define MBDBG(fmt, arg...) printk(KERN_INFO fmt , ## arg)
int index;
int cached_gpio;
int sleeping;
- struct semaphore lock;
-#ifdef CONFIG_BLK_DEV_IDE
+ struct mutex lock;
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
+ ide_hwif_t *cd_port;
void __iomem *cd_base;
- int cd_index;
int cd_irq;
int cd_retry;
#endif
+#if defined(CONFIG_BLK_DEV_IDE_PMAC)
+ int cd_index;
+#endif
};
#define MAX_BAYS 2
static struct media_bay_info media_bays[MAX_BAYS];
int media_bay_count = 0;
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
/* check the busy bit in the media-bay ide interface
(assumes the media-bay contains an ide device) */
#define MB_IDE_READY(i) ((readb(media_bays[i].cd_base + 0x70) & 0x80) == 0)
* 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->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);
set_mb_power(bay, id != MB_NO);
bay->content_id = id;
if (id == MB_NO) {
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
bay->cd_retry = 0;
#endif
printk(KERN_INFO "media bay %d is empty\n", bay->index);
}
}
-int __pmac check_media_bay(struct device_node *which_bay, int what)
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
+int check_media_bay(struct device_node *which_bay, int what)
{
-#ifdef CONFIG_BLK_DEV_IDE
int i;
for (i=0; i<media_bay_count; i++)
media_bays[i].cd_index = -1;
return -EINVAL;
}
-#endif /* CONFIG_BLK_DEV_IDE */
return -ENODEV;
}
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++)
media_bays[i].cd_index = -1;
return -EINVAL;
}
-#endif
-
+
return -ENODEV;
}
-int __pmac media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
- int irq, int index)
+int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
+ int irq, ide_hwif_t *hwif)
{
-#ifdef CONFIG_BLK_DEV_IDE
int i;
for (i=0; i<media_bay_count; i++) {
struct media_bay_info* bay = &media_bays[i];
if (bay->mdev && which_bay == bay->mdev->ofdev.node) {
- int timeout = 5000;
+ int timeout = 5000, index = hwif->index;
- down(&bay->lock);
+ mutex_lock(&bay->lock);
+ bay->cd_port = hwif;
bay->cd_base = (void __iomem *) base;
bay->cd_irq = irq;
if ((MB_CD != bay->content_id) || bay->state != mb_up) {
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
return 0;
}
printk(KERN_DEBUG "Registered ide%d for media bay %d\n", index, i);
do {
if (MB_IDE_READY(i)) {
bay->cd_index = index;
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
return 0;
}
mdelay(1);
} while(--timeout);
printk(KERN_DEBUG "Timeount waiting IDE in bay %d\n", i);
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
return -ENODEV;
}
}
-#endif /* CONFIG_BLK_DEV_IDE */
-
+
return -ENODEV;
}
+#endif /* CONFIG_BLK_DEV_IDE_PMAC */
-static void __pmac media_bay_step(int i)
+static void media_bay_step(int i)
{
struct media_bay_info* bay = &media_bays[i];
bay->state = mb_resetting;
MBDBG("mediabay%d: waiting reset (kind:%d)\n", i, bay->content_id);
break;
-
case mb_resetting:
if (bay->content_id != MB_CD) {
MBDBG("mediabay%d: bay is up (kind:%d)\n", i, bay->content_id);
bay->state = mb_up;
break;
}
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
MBDBG("mediabay%d: waiting IDE reset (kind:%d)\n", i, bay->content_id);
bay->ops->un_reset_ide(bay);
bay->timer = msecs_to_jiffies(MB_IDE_WAIT);
#else
printk(KERN_DEBUG "media-bay %d is ide (not compiled in kernel)\n", i);
set_mb_power(bay, 0);
-#endif /* CONFIG_BLK_DEV_IDE */
+#endif /* CONFIG_BLK_DEV_IDE_PMAC */
break;
-
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
case mb_ide_resetting:
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 == NULL) {
bay->timer = 0;
bay->timer = 0;
bay->state = mb_up;
if (bay->cd_index < 0) {
- hw_regs_t hw;
-
printk("mediabay %d, registering IDE...\n", i);
pmu_suspend();
- ide_init_hwif_ports(&hw, (unsigned long) bay->cd_base, (unsigned long) 0, NULL);
- hw.irq = bay->cd_irq;
- hw.chipset = ide_pmac;
- bay->cd_index = ide_register_hw(&hw, NULL);
+ ide_port_scan(bay->cd_port);
+ if (bay->cd_port->present)
+ bay->cd_index = bay->cd_port->index;
pmu_resume();
}
if (bay->cd_index == -1) {
bay->timer = 0;
}
break;
-#endif /* CONFIG_BLK_DEV_IDE */
-
+#endif /* CONFIG_BLK_DEV_IDE_PMAC */
case mb_powering_down:
bay->state = mb_empty;
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
if (bay->cd_index >= 0) {
printk(KERN_DEBUG "Unregistering mb %d ide, index:%d\n", i,
bay->cd_index);
- ide_unregister(bay->cd_index);
+ ide_port_unregister_devices(bay->cd_port);
bay->cd_index = -1;
}
if (bay->cd_retry) {
bay->content_id = MB_NO;
}
}
-#endif /* CONFIG_BLK_DEV_IDE */
+#endif /* CONFIG_BLK_DEV_IDE_PMAC */
MBDBG("mediabay%d: end of power down\n", i);
break;
}
* 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;
- strcpy(current->comm, "media-bay");
-#ifdef MB_IGNORE_SIGNALS
- sigfillset(¤t->blocked);
-#endif
-
- for (;;) {
+ while (!kthread_should_stop()) {
for (i = 0; i < media_bay_count; ++i) {
- down(&media_bays[i].lock);
+ mutex_lock(&media_bays[i].lock);
if (!media_bays[i].sleeping)
media_bay_step(i);
- up(&media_bays[i].lock);
+ mutex_unlock(&media_bays[i].lock);
}
msleep_interruptible(MB_POLL_DELAY);
- if (signal_pending(current))
- return 0;
}
+ 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;
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 = (u32 __iomem *)
- 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;
bay->index = i;
bay->ops = match->data;
bay->sleeping = 0;
- init_MUTEX(&bay->lock);
+ mutex_init(&bay->lock);
/* Init HW probing */
if (bay->ops->init)
/* Startup kernel thread */
if (i == 0)
- kernel_thread(media_bay_task, NULL, CLONE_KERNEL);
+ kthread_run(media_bay_task, NULL, "media-bay");
return 0;
}
-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.power_state && state == PM_SUSPEND_MEM) {
- down(&bay->lock);
+ if (state.event != mdev->ofdev.dev.power.power_state.event
+ && (state.event & PM_EVENT_SLEEP)) {
+ mutex_lock(&bay->lock);
bay->sleeping = 1;
set_mb_power(bay, 0);
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
msleep(MB_POLL_DELAY);
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.power_state != 0) {
- mdev->ofdev.dev.power.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,
they seem to help the 3400 get it right.
*/
/* Force MB power to 0 */
- down(&bay->lock);
+ mutex_lock(&bay->lock);
set_mb_power(bay, 0);
msleep(MB_POWER_DELAY);
if (bay->ops->content(bay) != bay->content_id) {
printk("mediabay%d: content changed during sleep...\n", bay->index);
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
return 0;
}
set_mb_power(bay, 1);
bay->last_value = bay->content_id;
bay->value_count = msecs_to_jiffies(MB_STABLE_DELAY);
bay->timer = msecs_to_jiffies(MB_POWER_DELAY);
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
bay->cd_retry = 0;
#endif
do {
} while((bay->state != mb_empty) &&
(bay->state != mb_up));
bay->sleeping = 0;
- up(&bay->lock);
+ mutex_unlock(&bay->lock);
}
return 0;
}
/* 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,
},
for (i=0; i<MAX_BAYS; i++) {
memset((char *)&media_bays[i], 0, sizeof(struct media_bay_info));
media_bays[i].content_id = -1;
-#ifdef CONFIG_BLK_DEV_IDE
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
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://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff