*
* Copyright 2003-2004 Red Hat, Inc.
*
- * The contents of this file are subject to the Open
- * Software License version 1.1 that can be found at
- * http://www.opensource.org/licenses/osl-1.1.txt and is included herein
- * by reference.
*
- * Alternatively, the contents of this file may be used under the terms
- * of the GNU General Public License version 2 (the "GPL") as distributed
- * in the kernel source COPYING file, in which case the provisions of
- * the GPL are applicable instead of the above. If you wish to allow
- * the use of your version of this file only under the terms of the
- * GPL and not to allow others to use your version of this file under
- * the OSL, indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by the GPL.
- * If you do not delete the provisions above, a recipient may use your
- * version of this file under either the OSL or the GPL.
+ * 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
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * libata documentation is available via 'make {ps|pdf}docs',
+ * as Documentation/DocBook/libata.*
+ *
+ * Hardware information only available under NDA.
*
*/
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
-#include "scsi.h"
+#include <linux/device.h>
#include <scsi/scsi_host.h>
+#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
#include <asm/io.h>
#include "sata_promise.h"
#define DRV_NAME "sata_promise"
-#define DRV_VERSION "1.01"
+#define DRV_VERSION "1.03"
enum {
board_2037x = 0, /* FastTrak S150 TX2plus */
board_20319 = 1, /* FastTrak S150 TX4 */
+ board_20619 = 2, /* FastTrak TX4000 */
+ board_20771 = 3, /* FastTrak TX2300 */
PDC_HAS_PATA = (1 << 1), /* PDC20375 has PATA */
PDC_RESET = (1 << 11), /* HDMA reset */
+
+ PDC_COMMON_FLAGS = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
+ ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI,
};
static void pdc_eng_timeout(struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
static void pdc_port_stop(struct ata_port *ap);
-static void pdc_phy_reset(struct ata_port *ap);
+static void pdc_pata_phy_reset(struct ata_port *ap);
+static void pdc_sata_phy_reset(struct ata_port *ap);
static void pdc_qc_prep(struct ata_queued_cmd *qc);
-static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf);
-static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf);
+static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
+static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_irq_clear(struct ata_port *ap);
static int pdc_qc_issue_prot(struct ata_queued_cmd *qc);
-static Scsi_Host_Template pdc_ata_sht = {
+
+static struct scsi_host_template pdc_ata_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
.ioctl = ata_scsi_ioctl,
.bios_param = ata_std_bios_param,
};
-static struct ata_port_operations pdc_ata_ops = {
+static const struct ata_port_operations pdc_sata_ops = {
.port_disable = ata_port_disable,
.tf_load = pdc_tf_load_mmio,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.exec_command = pdc_exec_command_mmio,
.dev_select = ata_std_dev_select,
- .phy_reset = pdc_phy_reset,
+
+ .phy_reset = pdc_sata_phy_reset,
+
.qc_prep = pdc_qc_prep,
.qc_issue = pdc_qc_issue_prot,
.eng_timeout = pdc_eng_timeout,
.irq_handler = pdc_interrupt,
.irq_clear = pdc_irq_clear,
+
.scr_read = pdc_sata_scr_read,
.scr_write = pdc_sata_scr_write,
.port_start = pdc_port_start,
.port_stop = pdc_port_stop,
+ .host_stop = ata_pci_host_stop,
};
-static struct ata_port_info pdc_port_info[] = {
+static const struct ata_port_operations pdc_pata_ops = {
+ .port_disable = ata_port_disable,
+ .tf_load = pdc_tf_load_mmio,
+ .tf_read = ata_tf_read,
+ .check_status = ata_check_status,
+ .exec_command = pdc_exec_command_mmio,
+ .dev_select = ata_std_dev_select,
+
+ .phy_reset = pdc_pata_phy_reset,
+
+ .qc_prep = pdc_qc_prep,
+ .qc_issue = pdc_qc_issue_prot,
+ .eng_timeout = pdc_eng_timeout,
+ .irq_handler = pdc_interrupt,
+ .irq_clear = pdc_irq_clear,
+
+ .port_start = pdc_port_start,
+ .port_stop = pdc_port_stop,
+ .host_stop = ata_pci_host_stop,
+};
+
+static const struct ata_port_info pdc_port_info[] = {
/* board_2037x */
{
.sht = &pdc_ata_sht,
- .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO,
+ .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
- .port_ops = &pdc_ata_ops,
+ .port_ops = &pdc_sata_ops,
},
/* board_20319 */
{
.sht = &pdc_ata_sht,
- .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_SRST | ATA_FLAG_MMIO,
+ .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .port_ops = &pdc_sata_ops,
+ },
+
+ /* board_20619 */
+ {
+ .sht = &pdc_ata_sht,
+ .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = 0x7f, /* udma0-6 ; FIXME */
+ .port_ops = &pdc_pata_ops,
+ },
+
+ /* board_20771 */
+ {
+ .sht = &pdc_ata_sht,
+ .host_flags = PDC_COMMON_FLAGS | ATA_FLAG_SATA,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
- .port_ops = &pdc_ata_ops,
+ .port_ops = &pdc_sata_ops,
},
};
-static struct pci_device_id pdc_ata_pci_tbl[] = {
+static const struct pci_device_id pdc_ata_pci_tbl[] = {
{ PCI_VENDOR_ID_PROMISE, 0x3371, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_2037x },
+ { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_2037x },
+ { PCI_VENDOR_ID_PROMISE, 0x3571, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_2037x },
{ PCI_VENDOR_ID_PROMISE, 0x3373, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_2037x },
{ PCI_VENDOR_ID_PROMISE, 0x3375, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_2037x },
{ PCI_VENDOR_ID_PROMISE, 0x3376, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_2037x },
+ { PCI_VENDOR_ID_PROMISE, 0x3574, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_2037x },
+ { PCI_VENDOR_ID_PROMISE, 0x3d75, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_2037x },
+ { PCI_VENDOR_ID_PROMISE, 0x3d73, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_2037x },
+
{ PCI_VENDOR_ID_PROMISE, 0x3318, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_20319 },
{ PCI_VENDOR_ID_PROMISE, 0x3319, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
board_20319 },
+ { PCI_VENDOR_ID_PROMISE, 0x3515, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20319 },
+ { PCI_VENDOR_ID_PROMISE, 0x3519, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20319 },
+ { PCI_VENDOR_ID_PROMISE, 0x3d17, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20319 },
+ { PCI_VENDOR_ID_PROMISE, 0x3d18, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20319 },
+
+ { PCI_VENDOR_ID_PROMISE, 0x6629, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20619 },
+
+ { PCI_VENDOR_ID_PROMISE, 0x3570, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+ board_20771 },
{ } /* terminate list */
};
static void pdc_reset_port(struct ata_port *ap)
{
- void *mmio = (void *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
+ void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_CTLSTAT;
unsigned int i;
u32 tmp;
readl(mmio); /* flush */
}
-static void pdc_phy_reset(struct ata_port *ap)
+static void pdc_sata_phy_reset(struct ata_port *ap)
{
pdc_reset_port(ap);
sata_phy_reset(ap);
}
+static void pdc_pata_phy_reset(struct ata_port *ap)
+{
+ /* FIXME: add cable detect. Don't assume 40-pin cable */
+ ap->cbl = ATA_CBL_PATA40;
+ ap->udma_mask &= ATA_UDMA_MASK_40C;
+
+ pdc_reset_port(ap);
+ ata_port_probe(ap);
+ ata_bus_reset(ap);
+}
+
static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg)
{
if (sc_reg > SCR_CONTROL)
return 0xffffffffU;
- return readl((void *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
}
{
if (sc_reg > SCR_CONTROL)
return;
- writel(val, (void *) ap->ioaddr.scr_addr + (sc_reg * 4));
+ writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4));
}
static void pdc_qc_prep(struct ata_queued_cmd *qc)
static void pdc_eng_timeout(struct ata_port *ap)
{
+ struct ata_host_set *host_set = ap->host_set;
u8 drv_stat;
struct ata_queued_cmd *qc;
+ unsigned long flags;
DPRINTK("ENTER\n");
+ spin_lock_irqsave(&host_set->lock, flags);
+
qc = ata_qc_from_tag(ap, ap->active_tag);
if (!qc) {
printk(KERN_ERR "ata%u: BUG: timeout without command\n",
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
printk(KERN_ERR "ata%u: command timeout\n", ap->id);
- ata_qc_complete(qc, ata_wait_idle(ap) | ATA_ERR);
+ drv_stat = ata_wait_idle(ap);
+ qc->err_mask |= __ac_err_mask(drv_stat);
+ ata_qc_complete(qc);
break;
default:
printk(KERN_ERR "ata%u: unknown timeout, cmd 0x%x stat 0x%x\n",
ap->id, qc->tf.command, drv_stat);
- ata_qc_complete(qc, drv_stat);
+ qc->err_mask |= ac_err_mask(drv_stat);
+ ata_qc_complete(qc);
break;
}
out:
+ spin_unlock_irqrestore(&host_set->lock, flags);
DPRINTK("EXIT\n");
}
static inline unsigned int pdc_host_intr( struct ata_port *ap,
struct ata_queued_cmd *qc)
{
- u8 status;
- unsigned int handled = 0, have_err = 0;
+ unsigned int handled = 0;
u32 tmp;
- void *mmio = (void *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
+ void __iomem *mmio = (void __iomem *) ap->ioaddr.cmd_addr + PDC_GLOBAL_CTL;
tmp = readl(mmio);
if (tmp & PDC_ERR_MASK) {
- have_err = 1;
+ qc->err_mask |= AC_ERR_DEV;
pdc_reset_port(ap);
}
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
case ATA_PROT_NODATA:
- status = ata_wait_idle(ap);
- if (have_err)
- status |= ATA_ERR;
- ata_qc_complete(qc, status);
+ qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
+ ata_qc_complete(qc);
handled = 1;
break;
default:
- ap->stats.idle_irq++;
- break;
+ ap->stats.idle_irq++;
+ break;
}
- return handled;
+ return handled;
}
static void pdc_irq_clear(struct ata_port *ap)
{
struct ata_host_set *host_set = ap->host_set;
- void *mmio = host_set->mmio_base;
+ void __iomem *mmio = host_set->mmio_base;
readl(mmio + PDC_INT_SEQMASK);
}
u32 mask = 0;
unsigned int i, tmp;
unsigned int handled = 0;
- void *mmio_base;
+ void __iomem *mmio_base;
VPRINTK("ENTER\n");
return IRQ_NONE;
}
- spin_lock(&host_set->lock);
+ spin_lock(&host_set->lock);
- for (i = 0; i < host_set->n_ports; i++) {
+ writel(mask, mmio_base + PDC_INT_SEQMASK);
+
+ for (i = 0; i < host_set->n_ports; i++) {
VPRINTK("port %u\n", i);
ap = host_set->ports[i];
tmp = mask & (1 << (i + 1));
- if (tmp && ap && (!(ap->flags & ATA_FLAG_PORT_DISABLED))) {
+ if (tmp && ap &&
+ !(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR))) {
struct ata_queued_cmd *qc;
qc = ata_qc_from_tag(ap, ap->active_tag);
pp->pkt[2] = seq;
wmb(); /* flush PRD, pkt writes */
- writel(pp->pkt_dma, (void *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- readl((void *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
+ writel(pp->pkt_dma, (void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
+ readl((void __iomem *) ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT); /* flush */
}
static int pdc_qc_issue_prot(struct ata_queued_cmd *qc)
return ata_qc_issue_prot(qc);
}
-static void pdc_tf_load_mmio(struct ata_port *ap, struct ata_taskfile *tf)
+static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
{
WARN_ON (tf->protocol == ATA_PROT_DMA ||
tf->protocol == ATA_PROT_NODATA);
}
-static void pdc_exec_command_mmio(struct ata_port *ap, struct ata_taskfile *tf)
+static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
{
WARN_ON (tf->protocol == ATA_PROT_DMA ||
tf->protocol == ATA_PROT_NODATA);
static void pdc_host_init(unsigned int chip_id, struct ata_probe_ent *pe)
{
- void *mmio = pe->mmio_base;
+ void __iomem *mmio = pe->mmio_base;
u32 tmp;
/*
static int printed_version;
struct ata_probe_ent *probe_ent = NULL;
unsigned long base;
- void *mmio_base;
+ void __iomem *mmio_base;
unsigned int board_idx = (unsigned int) ent->driver_data;
+ int pci_dev_busy = 0;
int rc;
if (!printed_version++)
- printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
+ dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
/*
* If this driver happens to only be useful on Apple's K2, then
return rc;
rc = pci_request_regions(pdev, DRV_NAME);
- if (rc)
+ if (rc) {
+ pci_dev_busy = 1;
goto err_out;
+ }
rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
if (rc)
probe_ent->dev = pci_dev_to_dev(pdev);
INIT_LIST_HEAD(&probe_ent->node);
- mmio_base = ioremap(pci_resource_start(pdev, 3),
- pci_resource_len(pdev, 3));
+ mmio_base = pci_iomap(pdev, 3, 0);
if (mmio_base == NULL) {
rc = -ENOMEM;
goto err_out_free_ent;
probe_ent->port[3].scr_addr = base + 0x700;
break;
case board_2037x:
- probe_ent->n_ports = 2;
+ probe_ent->n_ports = 2;
+ break;
+ case board_20771:
+ probe_ent->n_ports = 2;
+ break;
+ case board_20619:
+ probe_ent->n_ports = 4;
+
+ pdc_ata_setup_port(&probe_ent->port[2], base + 0x300);
+ pdc_ata_setup_port(&probe_ent->port[3], base + 0x380);
+
+ probe_ent->port[2].scr_addr = base + 0x600;
+ probe_ent->port[3].scr_addr = base + 0x700;
break;
default:
BUG();
err_out_regions:
pci_release_regions(pdev);
err_out:
- pci_disable_device(pdev);
+ if (!pci_dev_busy)
+ pci_disable_device(pdev);
return rc;
}
MODULE_AUTHOR("Jeff Garzik");
-MODULE_DESCRIPTION("Promise SATA TX2/TX4 low-level driver");
+MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver");
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, pdc_ata_pci_tbl);
MODULE_VERSION(DRV_VERSION);