/*
- * linux/drivers/ide/ide-pmac.c
+ * linux/drivers/ide/ppc/pmac.c
*
* Support for IDE interfaces on PowerMacs.
* These IDE interfaces are memory-mapped and have a DBDMA channel
* big table
*
*/
-#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <asm/mediabay.h>
#endif
-#include "ide-timing.h"
+#include "../ide-timing.h"
#undef IDE_PMAC_DEBUG
} pmac_ide_hwif_t;
-static pmac_ide_hwif_t pmac_ide[MAX_HWIFS] __pmacdata;
+static pmac_ide_hwif_t pmac_ide[MAX_HWIFS];
static int pmac_ide_count;
enum {
int cycleTime;
};
-struct mdma_timings_t mdma_timings_33[] __pmacdata =
+struct mdma_timings_t mdma_timings_33[] =
{
{ 240, 240, 480 },
{ 180, 180, 360 },
{ 0, 0, 0 }
};
-struct mdma_timings_t mdma_timings_33k[] __pmacdata =
+struct mdma_timings_t mdma_timings_33k[] =
{
{ 240, 240, 480 },
{ 180, 180, 360 },
{ 0, 0, 0 }
};
-struct mdma_timings_t mdma_timings_66[] __pmacdata =
+struct mdma_timings_t mdma_timings_66[] =
{
{ 240, 240, 480 },
{ 180, 180, 360 },
int addrSetup; /* ??? */
int rdy2pause;
int wrDataSetup;
-} kl66_udma_timings[] __pmacdata =
+} kl66_udma_timings[] =
{
{ 0, 180, 120 }, /* Mode 0 */
{ 0, 150, 90 }, /* 1 */
u32 timing_reg;
};
-static struct kauai_timing kauai_pio_timings[] __pmacdata =
+static struct kauai_timing kauai_pio_timings[] =
{
{ 930 , 0x08000fff },
{ 600 , 0x08000a92 },
{ 120 , 0x04000148 }
};
-static struct kauai_timing kauai_mdma_timings[] __pmacdata =
+static struct kauai_timing kauai_mdma_timings[] =
{
{ 1260 , 0x00fff000 },
{ 480 , 0x00618000 },
{ 0 , 0 },
};
-static struct kauai_timing kauai_udma_timings[] __pmacdata =
+static struct kauai_timing kauai_udma_timings[] =
{
{ 120 , 0x000070c0 },
{ 90 , 0x00005d80 },
{ 0 , 0 },
};
-static struct kauai_timing shasta_pio_timings[] __pmacdata =
+static struct kauai_timing shasta_pio_timings[] =
{
{ 930 , 0x08000fff },
{ 600 , 0x0A000c97 },
{ 120 , 0x0400010a }
};
-static struct kauai_timing shasta_mdma_timings[] __pmacdata =
+static struct kauai_timing shasta_mdma_timings[] =
{
{ 1260 , 0x00fff000 },
{ 480 , 0x00820800 },
{ 0 , 0 },
};
-static struct kauai_timing shasta_udma133_timings[] __pmacdata =
+static struct kauai_timing shasta_udma133_timings[] =
{
{ 120 , 0x00035901, },
{ 90 , 0x000348b1, },
#endif /* CONFIG_BLK_DEV_IDEDMA_PMAC */
/*
- * Below is the code for blinking the laptop LED along with hard
- * disk activity.
- */
-
-#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
-
-/* Set to 50ms minimum led-on time (also used to limit frequency
- * of requests sent to the PMU
- */
-#define PMU_HD_BLINK_TIME (HZ/50)
-
-static struct adb_request pmu_blink_on, pmu_blink_off;
-static spinlock_t pmu_blink_lock;
-static unsigned long pmu_blink_stoptime;
-static int pmu_blink_ledstate;
-static struct timer_list pmu_blink_timer;
-static int pmu_ide_blink_enabled;
-
-
-static void
-pmu_hd_blink_timeout(unsigned long data)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&pmu_blink_lock, flags);
-
- /* We may have been triggered again in a racy way, check
- * that we really want to switch it off
- */
- if (time_after(pmu_blink_stoptime, jiffies))
- goto done;
-
- /* Previous req. not complete, try 100ms more */
- if (pmu_blink_off.complete == 0)
- mod_timer(&pmu_blink_timer, jiffies + PMU_HD_BLINK_TIME);
- else if (pmu_blink_ledstate) {
- pmu_request(&pmu_blink_off, NULL, 4, 0xee, 4, 0, 0);
- pmu_blink_ledstate = 0;
- }
-done:
- spin_unlock_irqrestore(&pmu_blink_lock, flags);
-}
-
-static void
-pmu_hd_kick_blink(void *data, int rw)
-{
- unsigned long flags;
-
- pmu_blink_stoptime = jiffies + PMU_HD_BLINK_TIME;
- wmb();
- mod_timer(&pmu_blink_timer, pmu_blink_stoptime);
- /* Fast path when LED is already ON */
- if (pmu_blink_ledstate == 1)
- return;
- spin_lock_irqsave(&pmu_blink_lock, flags);
- if (pmu_blink_on.complete && !pmu_blink_ledstate) {
- pmu_request(&pmu_blink_on, NULL, 4, 0xee, 4, 0, 1);
- pmu_blink_ledstate = 1;
- }
- spin_unlock_irqrestore(&pmu_blink_lock, flags);
-}
-
-static int
-pmu_hd_blink_init(void)
-{
- struct device_node *dt;
- const char *model;
-
- /* Currently, I only enable this feature on KeyLargo based laptops,
- * older laptops may support it (at least heathrow/paddington) but
- * I don't feel like loading those venerable old machines with so
- * much additional interrupt & PMU activity...
- */
- if (pmu_get_model() != PMU_KEYLARGO_BASED)
- return 0;
-
- dt = find_devices("device-tree");
- if (dt == NULL)
- return 0;
- model = (const char *)get_property(dt, "model", NULL);
- if (model == NULL)
- return 0;
- if (strncmp(model, "PowerBook", strlen("PowerBook")) != 0 &&
- strncmp(model, "iBook", strlen("iBook")) != 0)
- return 0;
-
- pmu_blink_on.complete = 1;
- pmu_blink_off.complete = 1;
- spin_lock_init(&pmu_blink_lock);
- init_timer(&pmu_blink_timer);
- pmu_blink_timer.function = pmu_hd_blink_timeout;
-
- return 1;
-}
-
-#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */
-
-/*
* N.B. this can't be an initfunc, because the media-bay task can
* call ide_[un]register at any time.
*/
-void __pmac
+void
pmac_ide_init_hwif_ports(hw_regs_t *hw,
unsigned long data_port, unsigned long ctrl_port,
int *irq)
if (irq != NULL)
*irq = pmac_ide[ix].irq;
+
+ hw->dev = &pmac_ide[ix].mdev->ofdev.dev;
}
#define PMAC_IDE_REG(x) ((void __iomem *)(IDE_DATA_REG+(x)))
* timing register when selecting that unit. This version is for
* ASICs with a single timing register
*/
-static void __pmac
+static void
pmac_ide_selectproc(ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
* timing register when selecting that unit. This version is for
* ASICs with a dual timing register (Kauai)
*/
-static void __pmac
+static void
pmac_ide_kauai_selectproc(ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
/*
* Force an update of controller timing values for a given drive
*/
-static void __pmac
+static void
pmac_ide_do_update_timings(ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
* to sort that out sooner or later and see if I can finally get the
* common version to work properly in all cases
*/
-static int __pmac
+static int
pmac_ide_do_setfeature(ide_drive_t *drive, u8 command)
{
ide_hwif_t *hwif = HWIF(drive);
drive->id->dma_1word |= 0x0101; break;
default: break;
}
+ if (!drive->init_speed)
+ drive->init_speed = command;
+ drive->current_speed = command;
}
enable_irq(hwif->irq);
return result;
/*
* Old tuning functions (called on hdparm -p), sets up drive PIO timings
*/
-static void __pmac
+static void
pmac_ide_tuneproc(ide_drive_t *drive, u8 pio)
{
- ide_pio_data_t d;
u32 *timings;
unsigned accessTicks, recTicks;
unsigned accessTime, recTime;
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
-
+ unsigned int cycle_time;
+
if (pmif == NULL)
return;
/* which drive is it ? */
timings = &pmif->timings[drive->select.b.unit & 0x01];
- pio = ide_get_best_pio_mode(drive, pio, 4, &d);
+ pio = ide_get_best_pio_mode(drive, pio, 4);
+ cycle_time = ide_pio_cycle_time(drive, pio);
switch (pmif->kind) {
case controller_sh_ata6: {
/* 133Mhz cell */
- u32 tr = kauai_lookup_timing(shasta_pio_timings, d.cycle_time);
+ u32 tr = kauai_lookup_timing(shasta_pio_timings, cycle_time);
if (tr == 0)
return;
*timings = ((*timings) & ~TR_133_PIOREG_PIO_MASK) | tr;
case controller_un_ata6:
case controller_k2_ata6: {
/* 100Mhz cell */
- u32 tr = kauai_lookup_timing(kauai_pio_timings, d.cycle_time);
+ u32 tr = kauai_lookup_timing(kauai_pio_timings, cycle_time);
if (tr == 0)
return;
*timings = ((*timings) & ~TR_100_PIOREG_PIO_MASK) | tr;
}
case controller_kl_ata4:
/* 66Mhz cell */
- recTime = d.cycle_time - ide_pio_timings[pio].active_time
+ recTime = cycle_time - ide_pio_timings[pio].active_time
- ide_pio_timings[pio].setup_time;
recTime = max(recTime, 150U);
accessTime = ide_pio_timings[pio].active_time;
default: {
/* 33Mhz cell */
int ebit = 0;
- recTime = d.cycle_time - ide_pio_timings[pio].active_time
+ recTime = cycle_time - ide_pio_timings[pio].active_time
- ide_pio_timings[pio].setup_time;
recTime = max(recTime, 150U);
accessTime = ide_pio_timings[pio].active_time;
/*
* Calculate KeyLargo ATA/66 UDMA timings
*/
-static int __pmac
+static int
set_timings_udma_ata4(u32 *timings, u8 speed)
{
unsigned rdyToPauseTicks, wrDataSetupTicks, addrTicks;
/*
* Calculate Kauai ATA/100 UDMA timings
*/
-static int __pmac
+static int
set_timings_udma_ata6(u32 *pio_timings, u32 *ultra_timings, u8 speed)
{
struct ide_timing *t = ide_timing_find_mode(speed);
/*
* Calculate Shasta ATA/133 UDMA timings
*/
-static int __pmac
+static int
set_timings_udma_shasta(u32 *pio_timings, u32 *ultra_timings, u8 speed)
{
struct ide_timing *t = ide_timing_find_mode(speed);
/*
* Calculate MDMA timings for all cells
*/
-static int __pmac
+static int
set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
u8 speed, int drive_cycle_time)
{
* our dedicated function is more precise as it uses the drive provided
* cycle time value. We should probably fix this one to deal with that too...
*/
-static int __pmac
+static int
pmac_ide_tune_chipset (ide_drive_t *drive, byte speed)
{
int unit = (drive->select.b.unit & 0x01);
return 1;
case XFER_UDMA_4:
case XFER_UDMA_3:
- if (HWIF(drive)->udma_four == 0)
- return 1;
+ if (drive->hwif->cbl != ATA_CBL_PATA80)
+ return 1;
case XFER_UDMA_2:
case XFER_UDMA_1:
case XFER_UDMA_0:
return ret;
pmac_ide_do_update_timings(drive);
- drive->current_speed = speed;
return 0;
}
* Blast some well known "safe" values to the timing registers at init or
* wakeup from sleep time, before we do real calculation
*/
-static void __pmac
+static void
sanitize_timings(pmac_ide_hwif_t *pmif)
{
unsigned int value, value2 = 0;
pmif->timings[2] = pmif->timings[3] = value2;
}
-unsigned long __pmac
+unsigned long
pmac_ide_get_base(int index)
{
return pmac_ide[index].regbase;
}
-int __pmac
+int
pmac_ide_check_base(unsigned long base)
{
int ix;
return -1;
}
-int __pmac
+int
pmac_ide_get_irq(unsigned long base)
{
int ix;
return 0;
}
-static int ide_majors[] __pmacdata = { 3, 22, 33, 34, 56, 57 };
+static int ide_majors[] = { 3, 22, 33, 34, 56, 57 };
dev_t __init
pmac_find_ide_boot(char *bootdevice, int n)
pmif->timings[0] = 0;
pmif->timings[1] = 0;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
- /* Note: This code will be called for every hwif, thus we'll
- * try several time to stop the LED blinker timer, but that
- * should be harmless
- */
- if (pmu_ide_blink_enabled) {
- unsigned long flags;
-
- /* Make sure we don't hit the PMU blink */
- spin_lock_irqsave(&pmu_blink_lock, flags);
- if (pmu_blink_ledstate)
- del_timer(&pmu_blink_timer);
- pmu_blink_ledstate = 0;
- spin_unlock_irqrestore(&pmu_blink_lock, flags);
- }
-#endif /* CONFIG_BLK_DEV_IDE_PMAC_BLINK */
-
disable_irq(pmif->irq);
/* The media bay will handle itself just fine */
pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
{
struct device_node *np = pmif->node;
- int *bidp, i;
+ const int *bidp;
pmif->cable_80 = 0;
pmif->broken_dma = pmif->broken_dma_warn = 0;
- if (device_is_compatible(np, "shasta-ata"))
+ if (of_device_is_compatible(np, "shasta-ata"))
pmif->kind = controller_sh_ata6;
- else if (device_is_compatible(np, "kauai-ata"))
+ else if (of_device_is_compatible(np, "kauai-ata"))
pmif->kind = controller_un_ata6;
- else if (device_is_compatible(np, "K2-UATA"))
+ else if (of_device_is_compatible(np, "K2-UATA"))
pmif->kind = controller_k2_ata6;
- else if (device_is_compatible(np, "keylargo-ata")) {
+ else if (of_device_is_compatible(np, "keylargo-ata")) {
if (strcmp(np->name, "ata-4") == 0)
pmif->kind = controller_kl_ata4;
else
pmif->kind = controller_kl_ata3;
- } else if (device_is_compatible(np, "heathrow-ata"))
+ } else if (of_device_is_compatible(np, "heathrow-ata"))
pmif->kind = controller_heathrow;
else {
pmif->kind = controller_ohare;
pmif->broken_dma = 1;
}
- bidp = (int *)get_property(np, "AAPL,bus-id", NULL);
+ bidp = of_get_property(np, "AAPL,bus-id", NULL);
pmif->aapl_bus_id = bidp ? *bidp : 0;
/* Get cable type from device-tree */
if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6
|| pmif->kind == controller_k2_ata6
|| pmif->kind == controller_sh_ata6) {
- char* cable = get_property(np, "cable-type", NULL);
+ const char* cable = of_get_property(np, "cable-type", NULL);
if (cable && !strncmp(cable, "80-", 3))
pmif->cable_80 = 1;
}
* they have a 80 conductor cable, this seem to be always the case unless
* the user mucked around
*/
- if (device_is_compatible(np, "K2-UATA") ||
- device_is_compatible(np, "shasta-ata"))
+ if (of_device_is_compatible(np, "K2-UATA") ||
+ of_device_is_compatible(np, "shasta-ata"))
pmif->cable_80 = 1;
/* On Kauai-type controllers, we make sure the FCR is correct */
hwif->OUTBSYNC = pmac_outbsync;
/* Tell common code _not_ to mess with resources */
- hwif->mmio = 2;
+ hwif->mmio = 1;
hwif->hwif_data = pmif;
pmac_ide_init_hwif_ports(&hwif->hw, pmif->regbase, 0, &hwif->irq);
memcpy(hwif->io_ports, hwif->hw.io_ports, sizeof(hwif->io_ports));
hwif->chipset = ide_pmac;
hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET] || pmif->mediabay;
hwif->hold = pmif->mediabay;
- hwif->udma_four = pmif->cable_80;
+ hwif->cbl = pmif->cable_80 ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
hwif->drives[0].unmask = 1;
hwif->drives[1].unmask = 1;
+ hwif->pio_mask = ATA_PIO4;
hwif->tuneproc = pmac_ide_tuneproc;
if (pmif->kind == controller_un_ata6
|| pmif->kind == controller_k2_ata6
hwif->selectproc = pmac_ide_selectproc;
hwif->speedproc = pmac_ide_tune_chipset;
-#ifdef CONFIG_BLK_DEV_IDE_PMAC_BLINK
- pmu_ide_blink_enabled = pmu_hd_blink_init();
-
- if (pmu_ide_blink_enabled)
- hwif->led_act = pmu_hd_kick_blink;
-#endif
-
printk(KERN_INFO "ide%d: Found Apple %s controller, bus ID %d%s, irq %d\n",
hwif->index, model_name[pmif->kind], pmif->aapl_bus_id,
pmif->mediabay ? " (mediabay)" : "", hwif->irq);
/* We probe the hwif now */
probe_hwif_init(hwif);
- /* The code IDE code will have set hwif->present if we have devices attached,
- * if we don't, the discard the interface except if we are on a media bay slot
- */
- if (!hwif->present && !pmif->mediabay) {
- printk(KERN_INFO "ide%d: Bus empty, interface released.\n",
- hwif->index);
- default_hwif_iops(hwif);
- for (i = IDE_DATA_OFFSET; i <= IDE_CONTROL_OFFSET; ++i)
- hwif->io_ports[i] = 0;
- hwif->chipset = ide_unknown;
- hwif->noprobe = 1;
- return -ENODEV;
- }
+ ide_proc_register_port(hwif);
return 0;
}
pmif = &pmac_ide[i];
hwif = &ide_hwifs[i];
- if (mdev->ofdev.node->n_addrs == 0) {
+ if (macio_resource_count(mdev) == 0) {
printk(KERN_WARNING "ide%d: no address for %s\n",
i, mdev->ofdev.node->full_name);
return -ENXIO;
if (macio_irq_count(mdev) == 0) {
printk(KERN_WARNING "ide%d: no intrs for device %s, using 13\n",
i, mdev->ofdev.node->full_name);
- irq = 13;
+ irq = irq_create_mapping(NULL, 13);
} else
irq = macio_irq(mdev, 0);
}
static int
-pmac_ide_macio_suspend(struct macio_dev *mdev, pm_message_t state)
+pmac_ide_macio_suspend(struct macio_dev *mdev, pm_message_t mesg)
{
ide_hwif_t *hwif = (ide_hwif_t *)dev_get_drvdata(&mdev->ofdev.dev);
int rc = 0;
- if (state.event != mdev->ofdev.dev.power.power_state.event && state.event >= PM_EVENT_SUSPEND) {
+ if (mesg.event != mdev->ofdev.dev.power.power_state.event
+ && mesg.event == PM_EVENT_SUSPEND) {
rc = pmac_ide_do_suspend(hwif);
if (rc == 0)
- mdev->ofdev.dev.power.power_state = state;
+ mdev->ofdev.dev.power.power_state = mesg;
}
return rc;
}
static int
-pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+pmac_ide_pci_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
ide_hwif_t *hwif = (ide_hwif_t *)pci_get_drvdata(pdev);
int rc = 0;
- if (state.event != pdev->dev.power.power_state.event && state.event >= 2) {
+ if (mesg.event != pdev->dev.power.power_state.event
+ && mesg.event == PM_EVENT_SUSPEND) {
rc = pmac_ide_do_suspend(hwif);
if (rc == 0)
- pdev->dev.power.power_state = state;
+ pdev->dev.power.power_state = mesg;
}
return rc;
};
static struct pci_device_id pmac_ide_pci_match[] = {
- { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_ATA, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_IPID_ATA100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_K2_ATA100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_ATA,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_IPID_ATA100,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_K2_ATA100,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_SH_ATA,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_IPID2_ATA,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
};
static struct pci_driver pmac_ide_pci_driver = {
};
MODULE_DEVICE_TABLE(pci, pmac_ide_pci_match);
-void __init
-pmac_ide_probe(void)
+int __init pmac_ide_probe(void)
{
- if (_machine != _MACH_Pmac)
- return;
+ int error;
+
+ if (!machine_is(powermac))
+ return -ENODEV;
#ifdef CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST
- pci_register_driver(&pmac_ide_pci_driver);
- macio_register_driver(&pmac_ide_macio_driver);
+ error = pci_register_driver(&pmac_ide_pci_driver);
+ if (error)
+ goto out;
+ error = macio_register_driver(&pmac_ide_macio_driver);
+ if (error) {
+ pci_unregister_driver(&pmac_ide_pci_driver);
+ goto out;
+ }
#else
- macio_register_driver(&pmac_ide_macio_driver);
- pci_register_driver(&pmac_ide_pci_driver);
-#endif
+ error = macio_register_driver(&pmac_ide_macio_driver);
+ if (error)
+ goto out;
+ error = pci_register_driver(&pmac_ide_pci_driver);
+ if (error) {
+ macio_unregister_driver(&pmac_ide_macio_driver);
+ goto out;
+ }
+#endif
+out:
+ return error;
}
#ifdef CONFIG_BLK_DEV_IDEDMA_PMAC
* pmac_ide_build_dmatable builds the DBDMA command list
* for a transfer and sets the DBDMA channel to point to it.
*/
-static int __pmac
+static int
pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq)
{
struct dbdma_cmd *table;
}
/* Teardown mappings after DMA has completed. */
-static void __pmac
+static void
pmac_ide_destroy_dmatable (ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
/*
* Pick up best MDMA timing for the drive and apply it
*/
-static int __pmac
+static int
pmac_ide_mdma_enable(ide_drive_t *drive, u16 mode)
{
ide_hwif_t *hwif = HWIF(drive);
/* Apply timings to controller */
*timings = timing_local[0];
*timings2 = timing_local[1];
-
- /* Set speed info in drive */
- drive->current_speed = mode;
- if (!drive->init_speed)
- drive->init_speed = mode;
return 1;
}
/*
* Pick up best UDMA timing for the drive and apply it
*/
-static int __pmac
+static int
pmac_ide_udma_enable(ide_drive_t *drive, u16 mode)
{
ide_hwif_t *hwif = HWIF(drive);
*timings = timing_local[0];
*timings2 = timing_local[1];
- /* Set speed info in drive */
- drive->current_speed = mode;
- if (!drive->init_speed)
- drive->init_speed = mode;
-
return 1;
}
* Check what is the best DMA timing setting for the drive and
* call appropriate functions to apply it.
*/
-static int __pmac
+static int
pmac_ide_dma_check(ide_drive_t *drive)
{
struct hd_driveid *id = drive->id;
ide_hwif_t *hwif = HWIF(drive);
- pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)hwif->hwif_data;
int enable = 1;
- int map;
drive->using_dma = 0;
if (drive->media == ide_floppy)
enable = 0;
if (enable) {
- short mode;
-
- map = XFER_MWDMA;
- if (pmif->kind == controller_kl_ata4
- || pmif->kind == controller_un_ata6
- || pmif->kind == controller_k2_ata6
- || pmif->kind == controller_sh_ata6) {
- map |= XFER_UDMA;
- if (pmif->cable_80) {
- map |= XFER_UDMA_66;
- if (pmif->kind == controller_un_ata6 ||
- pmif->kind == controller_k2_ata6 ||
- pmif->kind == controller_sh_ata6)
- map |= XFER_UDMA_100;
- if (pmif->kind == controller_sh_ata6)
- map |= XFER_UDMA_133;
- }
- }
- mode = ide_find_best_mode(drive, map);
- if (mode & XFER_UDMA)
+ u8 mode = ide_max_dma_mode(drive);
+
+ if (mode >= XFER_UDMA_0)
drive->using_dma = pmac_ide_udma_enable(drive, mode);
- else if (mode & XFER_MWDMA)
+ else if (mode >= XFER_MW_DMA_0)
drive->using_dma = pmac_ide_mdma_enable(drive, mode);
hwif->OUTB(0, IDE_CONTROL_REG);
/* Apply settings to controller */
* Prepare a DMA transfer. We build the DMA table, adjust the timings for
* a read on KeyLargo ATA/66 and mark us as waiting for DMA completion
*/
-static int __pmac
+static int
pmac_ide_dma_setup(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
return 0;
}
-static void __pmac
+static void
pmac_ide_dma_exec_cmd(ide_drive_t *drive, u8 command)
{
/* issue cmd to drive */
* Kick the DMA controller into life after the DMA command has been issued
* to the drive.
*/
-static void __pmac
+static void
pmac_ide_dma_start(ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
/*
* After a DMA transfer, make sure the controller is stopped
*/
-static int __pmac
+static int
pmac_ide_dma_end (ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
* that's not implemented yet), on the other hand, we don't have shared interrupts
* so it's not really a problem
*/
-static int __pmac
+static int
pmac_ide_dma_test_irq (ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
return 1;
}
-static int __pmac
-pmac_ide_dma_host_off (ide_drive_t *drive)
+static void pmac_ide_dma_host_off(ide_drive_t *drive)
{
- return 0;
}
-static int __pmac
-pmac_ide_dma_host_on (ide_drive_t *drive)
+static void pmac_ide_dma_host_on(ide_drive_t *drive)
{
- return 0;
}
-static int __pmac
-pmac_ide_dma_lostirq (ide_drive_t *drive)
+static void
+pmac_ide_dma_lost_irq (ide_drive_t *drive)
{
pmac_ide_hwif_t* pmif = (pmac_ide_hwif_t *)HWIF(drive)->hwif_data;
volatile struct dbdma_regs __iomem *dma;
unsigned long status;
if (pmif == NULL)
- return 0;
+ return;
dma = pmif->dma_regs;
status = readl(&dma->status);
printk(KERN_ERR "ide-pmac lost interrupt, dma status: %lx\n", status);
- return 0;
}
/*
return;
}
- hwif->ide_dma_off_quietly = &__ide_dma_off_quietly;
+ hwif->dma_off_quietly = &ide_dma_off_quietly;
hwif->ide_dma_on = &__ide_dma_on;
hwif->ide_dma_check = &pmac_ide_dma_check;
hwif->dma_setup = &pmac_ide_dma_setup;
hwif->dma_start = &pmac_ide_dma_start;
hwif->ide_dma_end = &pmac_ide_dma_end;
hwif->ide_dma_test_irq = &pmac_ide_dma_test_irq;
- hwif->ide_dma_host_off = &pmac_ide_dma_host_off;
- hwif->ide_dma_host_on = &pmac_ide_dma_host_on;
- hwif->ide_dma_timeout = &__ide_dma_timeout;
- hwif->ide_dma_lostirq = &pmac_ide_dma_lostirq;
+ hwif->dma_host_off = &pmac_ide_dma_host_off;
+ hwif->dma_host_on = &pmac_ide_dma_host_on;
+ hwif->dma_timeout = &ide_dma_timeout;
+ hwif->dma_lost_irq = &pmac_ide_dma_lost_irq;
hwif->atapi_dma = 1;
switch(pmif->kind) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff