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Diffstat (limited to 'drivers/ata/pata_legacy.c')
-rw-r--r--drivers/ata/pata_legacy.c584
1 files changed, 161 insertions, 423 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 50fe08ebe23..bce2a8ca467 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -1,6 +1,6 @@
/*
* pata-legacy.c - Legacy port PATA/SATA controller driver.
- * Copyright 2005/2006 Red Hat <alan@redhat.com>, all rights reserved.
+ * Copyright 2005/2006 Red Hat, all rights reserved.
*
* 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
@@ -25,6 +25,13 @@
* http://www.ryston.cz/petr/vlb/pdc20230b.html
* http://www.ryston.cz/petr/vlb/pdc20230c.html
* http://www.ryston.cz/petr/vlb/pdc20630.html
+ * QDI65x0:
+ * http://www.ryston.cz/petr/vlb/qd6500.html
+ * http://www.ryston.cz/petr/vlb/qd6580.html
+ *
+ * QDI65x0 probe code based on drivers/ide/legacy/qd65xx.c
+ * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by
+ * Samuel Thibault <samuel.thibault@ens-lyon.org>
*
* Unsupported but docs exist:
* Appian/Adaptec AIC25VL01/Cirrus Logic PD7220
@@ -35,7 +42,10 @@
* the MPIIX where the tuning is PCI side but the IDE is "ISA side".
*
* Specific support is included for the ht6560a/ht6560b/opti82c611a/
- * opti82c465mv/promise 20230c/20630/winbond83759A
+ * opti82c465mv/promise 20230c/20630/qdi65x0/winbond83759A
+ *
+ * Support for the Winbond 83759A when operating in advanced mode.
+ * Multichip mode is not currently supported.
*
* Use the autospeed and pio_mask options with:
* Appian ADI/2 aka CLPD7220 or AIC25VL01.
@@ -48,6 +58,7 @@
*
*/
+#include <linux/async.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
@@ -68,15 +79,6 @@ static int all;
module_param(all, int, 0444);
MODULE_PARM_DESC(all, "Grab all legacy port devices, even if PCI(0=off, 1=on)");
-struct legacy_data {
- unsigned long timing;
- u8 clock[2];
- u8 last;
- int fast;
- struct platform_device *platform_dev;
-
-};
-
enum controller {
BIOS = 0,
SNOOP = 1,
@@ -93,6 +95,14 @@ enum controller {
UNKNOWN = -1
};
+struct legacy_data {
+ unsigned long timing;
+ u8 clock[2];
+ u8 last;
+ int fast;
+ enum controller type;
+ struct platform_device *platform_dev;
+};
struct legacy_probe {
unsigned char *name;
@@ -108,6 +118,7 @@ struct legacy_controller {
struct ata_port_operations *ops;
unsigned int pio_mask;
unsigned int flags;
+ unsigned int pflags;
int (*setup)(struct platform_device *, struct legacy_probe *probe,
struct legacy_data *data);
};
@@ -125,13 +136,25 @@ static int ht6560a; /* HT 6560A on primary 1, second 2, both 3 */
static int ht6560b; /* HT 6560A on primary 1, second 2, both 3 */
static int opti82c611a; /* Opti82c611A on primary 1, sec 2, both 3 */
static int opti82c46x; /* Opti 82c465MV present(pri/sec autodetect) */
-static int qdi; /* Set to probe QDI controllers */
-static int winbond; /* Set to probe Winbond controllers,
- give I/O port if non standard */
static int autospeed; /* Chip present which snoops speed changes */
-static int pio_mask = 0x1F; /* PIO range for autospeed devices */
+static int pio_mask = ATA_PIO4; /* PIO range for autospeed devices */
static int iordy_mask = 0xFFFFFFFF; /* Use iordy if available */
+/* Set to probe QDI controllers */
+#ifdef CONFIG_PATA_QDI_MODULE
+static int qdi = 1;
+#else
+static int qdi;
+#endif
+
+#ifdef CONFIG_PATA_WINBOND_VLB_MODULE
+static int winbond = 1; /* Set to probe Winbond controllers,
+ give I/O port if non standard */
+#else
+static int winbond; /* Set to probe Winbond controllers,
+ give I/O port if non standard */
+#endif
+
/**
* legacy_probe_add - Add interface to probe list
* @port: Controller port
@@ -194,35 +217,23 @@ static int legacy_set_mode(struct ata_link *link, struct ata_device **unused)
{
struct ata_device *dev;
- ata_link_for_each_dev(dev, link) {
- if (ata_dev_enabled(dev)) {
- ata_dev_printk(dev, KERN_INFO,
- "configured for PIO\n");
- dev->pio_mode = XFER_PIO_0;
- dev->xfer_mode = XFER_PIO_0;
- dev->xfer_shift = ATA_SHIFT_PIO;
- dev->flags |= ATA_DFLAG_PIO;
- }
+ ata_for_each_dev(dev, link, ENABLED) {
+ ata_dev_info(dev, "configured for PIO\n");
+ dev->pio_mode = XFER_PIO_0;
+ dev->xfer_mode = XFER_PIO_0;
+ dev->xfer_shift = ATA_SHIFT_PIO;
+ dev->flags |= ATA_DFLAG_PIO;
}
return 0;
}
static struct scsi_host_template legacy_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .ioctl = ata_scsi_ioctl,
- .queuecommand = ata_scsi_queuecmd,
- .can_queue = ATA_DEF_QUEUE,
- .this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
- .cmd_per_lun = ATA_SHT_CMD_PER_LUN,
- .emulated = ATA_SHT_EMULATED,
- .use_clustering = ATA_SHT_USE_CLUSTERING,
- .proc_name = DRV_NAME,
- .dma_boundary = ATA_DMA_BOUNDARY,
- .slave_configure = ata_scsi_slave_config,
- .slave_destroy = ata_scsi_slave_destroy,
- .bios_param = ata_std_bios_param,
+ ATA_PIO_SHT(DRV_NAME),
+};
+
+static const struct ata_port_operations legacy_base_port_ops = {
+ .inherits = &ata_sff_port_ops,
+ .cable_detect = ata_cable_40wire,
};
/*
@@ -234,55 +245,14 @@ static struct scsi_host_template legacy_sht = {
*/
static struct ata_port_operations simple_port_ops = {
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_data_xfer_noirq,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .inherits = &legacy_base_port_ops,
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
};
static struct ata_port_operations legacy_port_ops = {
+ .inherits = &legacy_base_port_ops,
+ .sff_data_xfer = ata_sff_data_xfer_noirq,
.set_mode = legacy_set_mode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
- .cable_detect = ata_cable_40wire,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_data_xfer_noirq,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
};
/*
@@ -336,9 +306,12 @@ static void pdc20230_set_piomode(struct ata_port *ap, struct ata_device *adev)
static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
unsigned char *buf, unsigned int buflen, int rw)
{
- if (ata_id_has_dword_io(dev->id)) {
- struct ata_port *ap = dev->link->ap;
- int slop = buflen & 3;
+ int slop = buflen & 3;
+ struct ata_port *ap = dev->link->ap;
+
+ /* 32bit I/O capable *and* we need to write a whole number of dwords */
+ if (ata_id_has_dword_io(dev->id) && (slop == 0 || slop == 3)
+ && (ap->pflags & ATA_PFLAG_PIO32)) {
unsigned long flags;
local_irq_save(flags);
@@ -355,7 +328,7 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
if (unlikely(slop)) {
- u32 pad;
+ __le32 pad;
if (rw == READ) {
pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
memcpy(buf + buflen - slop, &pad, slop);
@@ -367,36 +340,15 @@ static unsigned int pdc_data_xfer_vlb(struct ata_device *dev,
}
local_irq_restore(flags);
} else
- buflen = ata_data_xfer_noirq(dev, buf, buflen, rw);
+ buflen = ata_sff_data_xfer_noirq(dev, buf, buflen, rw);
return buflen;
}
static struct ata_port_operations pdc20230_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = pdc20230_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = pdc_data_xfer_vlb,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .sff_data_xfer = pdc_data_xfer_vlb,
};
/*
@@ -414,8 +366,8 @@ static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev)
/* Get the timing data in cycles. For now play safe at 50Mhz */
ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000);
- active = FIT(t.active, 2, 15);
- recover = FIT(t.recover, 4, 15);
+ active = clamp_val(t.active, 2, 15);
+ recover = clamp_val(t.recover, 4, 15);
inb(0x3E6);
inb(0x3E6);
@@ -427,30 +379,8 @@ static void ht6560a_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
static struct ata_port_operations ht6560a_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = ht6560a_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_data_xfer, /* Check vlb/noirq */
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
};
/*
@@ -470,9 +400,8 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev)
/* Get the timing data in cycles. For now play safe at 50Mhz */
ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000);
- active = FIT(t.active, 2, 15);
- recover = FIT(t.recover, 2, 16);
- recover &= 0x15;
+ active = clamp_val(t.active, 2, 15);
+ recover = clamp_val(t.recover, 2, 16) & 0x0F;
inb(0x3E6);
inb(0x3E6);
@@ -492,30 +421,8 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
static struct ata_port_operations ht6560b_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = ht6560b_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_data_xfer, /* FIXME: Check 32bit and noirq */
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
};
/*
@@ -577,9 +484,9 @@ static void opti82c611a_set_piomode(struct ata_port *ap,
ata_timing_merge(&t, &tp, &t, ATA_TIMING_SETUP);
}
- active = FIT(t.active, 2, 17) - 2;
- recover = FIT(t.recover, 1, 16) - 1;
- setup = FIT(t.setup, 1, 4) - 1;
+ active = clamp_val(t.active, 2, 17) - 2;
+ recover = clamp_val(t.recover, 1, 16) - 1;
+ setup = clamp_val(t.setup, 1, 4) - 1;
/* Select the right timing bank for write timing */
rc = ioread8(ap->ioaddr.lbal_addr);
@@ -613,30 +520,8 @@ static void opti82c611a_set_piomode(struct ata_port *ap,
static struct ata_port_operations opti82c611a_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = opti82c611a_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = ata_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
};
/*
@@ -657,7 +542,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
u8 sysclk;
/* Get the clock */
- sysclk = opti_syscfg(0xAC) & 0xC0; /* BIOS set */
+ sysclk = (opti_syscfg(0xAC) & 0xC0) >> 6; /* BIOS set */
/* Enter configuration mode */
ioread16(ap->ioaddr.error_addr);
@@ -678,9 +563,9 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
ata_timing_merge(&t, &tp, &t, ATA_TIMING_SETUP);
}
- active = FIT(t.active, 2, 17) - 2;
- recover = FIT(t.recover, 1, 16) - 1;
- setup = FIT(t.setup, 1, 4) - 1;
+ active = clamp_val(t.active, 2, 17) - 2;
+ recover = clamp_val(t.recover, 1, 16) - 1;
+ setup = clamp_val(t.setup, 1, 4) - 1;
/* Select the right timing bank for write timing */
rc = ioread8(ap->ioaddr.lbal_addr);
@@ -716,7 +601,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
}
/**
- * opt82c465mv_qc_issue_prot - command issue
+ * opt82c465mv_qc_issue - command issue
* @qc: command pending
*
* Called when the libata layer is about to issue a command. We wrap
@@ -730,7 +615,7 @@ static void opti82c46x_set_piomode(struct ata_port *ap, struct ata_device *adev)
* FIXME: dual channel needs ->serialize support
*/
-static unsigned int opti82c46x_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int opti82c46x_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *adev = qc->dev;
@@ -741,108 +626,29 @@ static unsigned int opti82c46x_qc_issue_prot(struct ata_queued_cmd *qc)
&& ap->host->private_data != NULL)
opti82c46x_set_piomode(ap, adev);
- return ata_qc_issue_prot(qc);
+ return ata_sff_qc_issue(qc);
}
static struct ata_port_operations opti82c46x_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = opti82c46x_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = opti82c46x_qc_issue_prot,
-
- .data_xfer = ata_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .qc_issue = opti82c46x_qc_issue,
};
-static void qdi6500_set_piomode(struct ata_port *ap, struct ata_device *adev)
-{
- struct ata_timing t;
- struct legacy_data *ld_qdi = ap->host->private_data;
- int active, recovery;
- u8 timing;
-
- /* Get the timing data in cycles */
- ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000);
-
- if (ld_qdi->fast) {
- active = 8 - FIT(t.active, 1, 8);
- recovery = 18 - FIT(t.recover, 3, 18);
- } else {
- active = 9 - FIT(t.active, 2, 9);
- recovery = 15 - FIT(t.recover, 0, 15);
- }
- timing = (recovery << 4) | active | 0x08;
-
- ld_qdi->clock[adev->devno] = timing;
-
- outb(timing, ld_qdi->timing);
-}
-
/**
- * qdi6580dp_set_piomode - PIO setup for dual channel
- * @ap: Port
- * @adev: Device
- * @irq: interrupt line
- *
- * In dual channel mode the 6580 has one clock per channel and we have
- * to software clockswitch in qc_issue_prot.
- */
-
-static void qdi6580dp_set_piomode(struct ata_port *ap, struct ata_device *adev)
-{
- struct ata_timing t;
- struct legacy_data *ld_qdi = ap->host->private_data;
- int active, recovery;
- u8 timing;
-
- /* Get the timing data in cycles */
- ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000);
-
- if (ld_qdi->fast) {
- active = 8 - FIT(t.active, 1, 8);
- recovery = 18 - FIT(t.recover, 3, 18);
- } else {
- active = 9 - FIT(t.active, 2, 9);
- recovery = 15 - FIT(t.recover, 0, 15);
- }
- timing = (recovery << 4) | active | 0x08;
-
- ld_qdi->clock[adev->devno] = timing;
-
- outb(timing, ld_qdi->timing + 2 * ap->port_no);
- /* Clear the FIFO */
- if (adev->class != ATA_DEV_ATA)
- outb(0x5F, ld_qdi->timing + 3);
-}
-
-/**
- * qdi6580_set_piomode - PIO setup for single channel
+ * qdi65x0_set_piomode - PIO setup for QDI65x0
* @ap: Port
* @adev: Device
*
* In single channel mode the 6580 has one clock per device and we can
* avoid the requirement to clock switch. We also have to load the timing
* into the right clock according to whether we are master or slave.
+ *
+ * In dual channel mode the 6580 has one clock per channel and we have
+ * to software clockswitch in qc_issue.
*/
-static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev)
+static void qdi65x0_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
struct ata_timing t;
struct legacy_data *ld_qdi = ap->host->private_data;
@@ -853,29 +659,34 @@ static void qdi6580_set_piomode(struct ata_port *ap, struct ata_device *adev)
ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000);
if (ld_qdi->fast) {
- active = 8 - FIT(t.active, 1, 8);
- recovery = 18 - FIT(t.recover, 3, 18);
+ active = 8 - clamp_val(t.active, 1, 8);
+ recovery = 18 - clamp_val(t.recover, 3, 18);
} else {
- active = 9 - FIT(t.active, 2, 9);
- recovery = 15 - FIT(t.recover, 0, 15);
+ active = 9 - clamp_val(t.active, 2, 9);
+ recovery = 15 - clamp_val(t.recover, 0, 15);
}
timing = (recovery << 4) | active | 0x08;
ld_qdi->clock[adev->devno] = timing;
- outb(timing, ld_qdi->timing + 2 * adev->devno);
+
+ if (ld_qdi->type == QDI6580)
+ outb(timing, ld_qdi->timing + 2 * adev->devno);
+ else
+ outb(timing, ld_qdi->timing + 2 * ap->port_no);
+
/* Clear the FIFO */
- if (adev->class != ATA_DEV_ATA)
- outb(0x5F, ld_qdi->timing + 3);
+ if (ld_qdi->type != QDI6500 && adev->class != ATA_DEV_ATA)
+ outb(0x5F, (ld_qdi->timing & 0xFFF0) + 3);
}
/**
- * qdi_qc_issue_prot - command issue
+ * qdi_qc_issue - command issue
* @qc: command pending
*
* Called when the libata layer is about to issue a command. We wrap
* this interface so that we can load the correct ATA timings.
*/
-static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int qdi_qc_issue(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ata_device *adev = qc->dev;
@@ -888,7 +699,7 @@ static unsigned int qdi_qc_issue_prot(struct ata_queued_cmd *qc)
2 * ap->port_no);
}
}
- return ata_qc_issue_prot(qc);
+ return ata_sff_qc_issue(qc);
}
static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
@@ -897,27 +708,26 @@ static unsigned int vlb32_data_xfer(struct ata_device *adev, unsigned char *buf,
struct ata_port *ap = adev->link->ap;
int slop = buflen & 3;
- if (ata_id_has_dword_io(adev->id)) {
+ if (ata_id_has_dword_io(adev->id) && (slop == 0 || slop == 3)
+ && (ap->pflags & ATA_PFLAG_PIO32)) {
if (rw == WRITE)
iowrite32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
else
ioread32_rep(ap->ioaddr.data_addr, buf, buflen >> 2);
if (unlikely(slop)) {
- u32 pad;
+ __le32 pad;
if (rw == WRITE) {
memcpy(&pad, buf + buflen - slop, slop);
- pad = le32_to_cpu(pad);
- iowrite32(pad, ap->ioaddr.data_addr);
+ iowrite32(le32_to_cpu(pad), ap->ioaddr.data_addr);
} else {
- pad = ioread32(ap->ioaddr.data_addr);
- pad = cpu_to_le32(pad);
+ pad = cpu_to_le32(ioread32(ap->ioaddr.data_addr));
memcpy(buf + buflen - slop, &pad, slop);
}
}
return (buflen + 3) & ~3;
} else
- return ata_data_xfer(adev, buf, buflen, rw);
+ return ata_sff_data_xfer(adev, buf, buflen, rw);
}
static int qdi_port(struct platform_device *dev,
@@ -930,84 +740,23 @@ static int qdi_port(struct platform_device *dev,
}
static struct ata_port_operations qdi6500_port_ops = {
- .set_piomode = qdi6500_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = qdi_qc_issue_prot,
-
- .data_xfer = vlb32_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .inherits = &legacy_base_port_ops,
+ .set_piomode = qdi65x0_set_piomode,
+ .qc_issue = qdi_qc_issue,
+ .sff_data_xfer = vlb32_data_xfer,
};
static struct ata_port_operations qdi6580_port_ops = {
- .set_piomode = qdi6580_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = vlb32_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .inherits = &legacy_base_port_ops,
+ .set_piomode = qdi65x0_set_piomode,
+ .sff_data_xfer = vlb32_data_xfer,
};
static struct ata_port_operations qdi6580dp_port_ops = {
- .set_piomode = qdi6580dp_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = qdi_qc_issue_prot,
-
- .data_xfer = vlb32_data_xfer,
-
- .irq_handler = ata_interrupt,
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .inherits = &legacy_base_port_ops,
+ .set_piomode = qdi65x0_set_piomode,
+ .qc_issue = qdi_qc_issue,
+ .sff_data_xfer = vlb32_data_xfer,
};
static DEFINE_SPINLOCK(winbond_lock);
@@ -1050,8 +799,8 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev)
else
ata_timing_compute(adev, adev->pio_mode, &t, 30303, 1000);
- active = (FIT(t.active, 3, 17) - 1) & 0x0F;
- recovery = (FIT(t.recover, 1, 15) + 1) & 0x0F;
+ active = (clamp_val(t.active, 3, 17) - 1) & 0x0F;
+ recovery = (clamp_val(t.recover, 1, 15) + 1) & 0x0F;
timing = (active << 4) | recovery;
winbond_writecfg(ld_winbond->timing, timing, reg);
@@ -1062,7 +811,7 @@ static void winbond_set_piomode(struct ata_port *ap, struct ata_device *adev)
reg |= 0x08; /* FIFO off */
if (!ata_pio_need_iordy(adev))
reg |= 0x02; /* IORDY off */
- reg |= (FIT(t.setup, 0, 3) << 6);
+ reg |= (clamp_val(t.setup, 0, 3) << 6);
winbond_writecfg(ld_winbond->timing, timing + 1, reg);
}
@@ -1076,54 +825,37 @@ static int winbond_port(struct platform_device *dev,
}
static struct ata_port_operations winbond_port_ops = {
+ .inherits = &legacy_base_port_ops,
.set_piomode = winbond_set_piomode,
-
- .tf_load = ata_tf_load,
- .tf_read = ata_tf_read,
- .check_status = ata_check_status,
- .exec_command = ata_exec_command,
- .dev_select = ata_std_dev_select,
-
- .freeze = ata_bmdma_freeze,
- .thaw = ata_bmdma_thaw,
- .error_handler = ata_bmdma_error_handler,
- .post_internal_cmd = ata_bmdma_post_internal_cmd,
- .cable_detect = ata_cable_40wire,
-
- .qc_prep = ata_qc_prep,
- .qc_issue = ata_qc_issue_prot,
-
- .data_xfer = vlb32_data_xfer,
-
- .irq_clear = ata_bmdma_irq_clear,
- .irq_on = ata_irq_on,
-
- .port_start = ata_sff_port_start,
+ .sff_data_xfer = vlb32_data_xfer,
};
static struct legacy_controller controllers[] = {
- {"BIOS", &legacy_port_ops, 0x1F,
- ATA_FLAG_NO_IORDY, NULL },
- {"Snooping", &simple_port_ops, 0x1F,
- 0 , NULL },
- {"PDC20230", &pdc20230_port_ops, 0x7,
- ATA_FLAG_NO_IORDY, NULL },
- {"HT6560A", &ht6560a_port_ops, 0x07,
- ATA_FLAG_NO_IORDY, NULL },
- {"HT6560B", &ht6560b_port_ops, 0x1F,
- ATA_FLAG_NO_IORDY, NULL },
- {"OPTI82C611A", &opti82c611a_port_ops, 0x0F,
- 0 , NULL },
- {"OPTI82C46X", &opti82c46x_port_ops, 0x0F,
- 0 , NULL },
- {"QDI6500", &qdi6500_port_ops, 0x07,
- ATA_FLAG_NO_IORDY, qdi_port },
- {"QDI6580", &qdi6580_port_ops, 0x1F,
- 0 , qdi_port },
- {"QDI6580DP", &qdi6580dp_port_ops, 0x1F,
- 0 , qdi_port },
- {"W83759A", &winbond_port_ops, 0x1F,
- 0 , winbond_port }
+ {"BIOS", &legacy_port_ops, ATA_PIO4,
+ ATA_FLAG_NO_IORDY, 0, NULL },
+ {"Snooping", &simple_port_ops, ATA_PIO4,
+ 0, 0, NULL },
+ {"PDC20230", &pdc20230_port_ops, ATA_PIO2,
+ ATA_FLAG_NO_IORDY,
+ ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE, NULL },
+ {"HT6560A", &ht6560a_port_ops, ATA_PIO2,
+ ATA_FLAG_NO_IORDY, 0, NULL },
+ {"HT6560B", &ht6560b_port_ops, ATA_PIO4,
+ ATA_FLAG_NO_IORDY, 0, NULL },
+ {"OPTI82C611A", &opti82c611a_port_ops, ATA_PIO3,
+ 0, 0, NULL },
+ {"OPTI82C46X", &opti82c46x_port_ops, ATA_PIO3,
+ 0, 0, NULL },
+ {"QDI6500", &qdi6500_port_ops, ATA_PIO2,
+ ATA_FLAG_NO_IORDY,
+ ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE, qdi_port },
+ {"QDI6580", &qdi6580_port_ops, ATA_PIO4,
+ 0, ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE, qdi_port },
+ {"QDI6580DP", &qdi6580dp_port_ops, ATA_PIO4,
+ 0, ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE, qdi_port },
+ {"W83759A", &winbond_port_ops, ATA_PIO4,
+ 0, ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE,
+ winbond_port }
};
/**
@@ -1184,7 +916,6 @@ static __init int probe_chip_type(struct legacy_probe *probe)
local_irq_restore(flags);
return BIOS;
}
- local_irq_restore(flags);
}
if (ht6560a & mask)
@@ -1242,6 +973,7 @@ static __init int legacy_init_one(struct legacy_probe *probe)
ctrl_addr = devm_ioport_map(&pdev->dev, io + 0x0206, 1);
if (!io_addr || !ctrl_addr)
goto fail;
+ ld->type = probe->type;
if (controller->setup)
if (controller->setup(pdev, probe, ld) < 0)
goto fail;
@@ -1253,30 +985,33 @@ static __init int legacy_init_one(struct legacy_probe *probe)
ap->ops = ops;
ap->pio_mask = pio_modes;
ap->flags |= ATA_FLAG_SLAVE_POSS | iordy;
+ ap->pflags |= controller->pflags;
ap->ioaddr.cmd_addr = io_addr;
ap->ioaddr.altstatus_addr = ctrl_addr;
ap->ioaddr.ctl_addr = ctrl_addr;
- ata_std_ports(&ap->ioaddr);
+ ata_sff_std_ports(&ap->ioaddr);
ap->host->private_data = ld;
ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io, io + 0x0206);
- ret = ata_host_activate(host, probe->irq, ata_interrupt, 0,
- &legacy_sht);
+ ret = ata_host_activate(host, probe->irq, ata_sff_interrupt, 0,
+ &legacy_sht);
if (ret)
goto fail;
+ async_synchronize_full();
ld->platform_dev = pdev;
/* Nothing found means we drop the port as its probably not there */
ret = -ENODEV;
- ata_link_for_each_dev(dev, &ap->link) {
+ ata_for_each_dev(dev, &ap->link, ALL) {
if (!ata_dev_absent(dev)) {
legacy_host[probe->slot] = host;
ld->platform_dev = pdev;
return 0;
}
}
+ ata_host_detach(host);
fail:
platform_device_unregister(pdev);
return ret;
@@ -1523,6 +1258,8 @@ MODULE_AUTHOR("Alan Cox");
MODULE_DESCRIPTION("low-level driver for legacy ATA");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
+MODULE_ALIAS("pata_qdi");
+MODULE_ALIAS("pata_winbond");
module_param(probe_all, int, 0);
module_param(autospeed, int, 0);
@@ -1531,6 +1268,7 @@ module_param(ht6560b, int, 0);
module_param(opti82c611a, int, 0);
module_param(opti82c46x, int, 0);
module_param(qdi, int, 0);
+module_param(winbond, int, 0);
module_param(pio_mask, int, 0);
module_param(iordy_mask, int, 0);