Commit 43fde784 authored by Linus Torvalds's avatar Linus Torvalds

Merge 'upstream-2.6.13' branch of...

Merge 'upstream-2.6.13' branch of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
parents c2a0f594 f9d1fe96
......@@ -39,7 +39,7 @@
#include <asm/io.h>
#define DRV_NAME "ahci"
#define DRV_VERSION "1.00"
#define DRV_VERSION "1.01"
enum {
......@@ -50,6 +50,7 @@ enum {
AHCI_CMD_SLOT_SZ = 32 * 32,
AHCI_RX_FIS_SZ = 256,
AHCI_CMD_TBL_HDR = 0x80,
AHCI_CMD_TBL_CDB = 0x40,
AHCI_CMD_TBL_SZ = AHCI_CMD_TBL_HDR + (AHCI_MAX_SG * 16),
AHCI_PORT_PRIV_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_SZ +
AHCI_RX_FIS_SZ,
......@@ -134,6 +135,9 @@ enum {
PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */
PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */
PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */
/* hpriv->flags bits */
AHCI_FLAG_MSI = (1 << 0),
};
struct ahci_cmd_hdr {
......@@ -183,6 +187,7 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc);
static u8 ahci_check_status(struct ata_port *ap);
static u8 ahci_check_err(struct ata_port *ap);
static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
static void ahci_remove_one (struct pci_dev *pdev);
static Scsi_Host_Template ahci_sht = {
.module = THIS_MODULE,
......@@ -272,7 +277,7 @@ static struct pci_driver ahci_pci_driver = {
.name = DRV_NAME,
.id_table = ahci_pci_tbl,
.probe = ahci_init_one,
.remove = ata_pci_remove_one,
.remove = ahci_remove_one,
};
......@@ -506,7 +511,8 @@ static void ahci_fill_sg(struct ata_queued_cmd *qc)
static void ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ahci_port_priv *pp = qc->ap->private_data;
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
u32 opts;
const u32 cmd_fis_len = 5; /* five dwords */
......@@ -518,18 +524,8 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
opts = (qc->n_elem << 16) | cmd_fis_len;
if (qc->tf.flags & ATA_TFLAG_WRITE)
opts |= AHCI_CMD_WRITE;
switch (qc->tf.protocol) {
case ATA_PROT_ATAPI:
case ATA_PROT_ATAPI_NODATA:
case ATA_PROT_ATAPI_DMA:
if (is_atapi_taskfile(&qc->tf))
opts |= AHCI_CMD_ATAPI;
break;
default:
/* do nothing */
break;
}
pp->cmd_slot[0].opts = cpu_to_le32(opts);
pp->cmd_slot[0].status = 0;
......@@ -541,6 +537,10 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
* a SATA Register - Host to Device command FIS.
*/
ata_tf_to_fis(&qc->tf, pp->cmd_tbl, 0);
if (opts & AHCI_CMD_ATAPI) {
memset(pp->cmd_tbl + AHCI_CMD_TBL_CDB, 0, 32);
memcpy(pp->cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, ap->cdb_len);
}
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
return;
......@@ -795,8 +795,6 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
return rc;
}
}
hpriv->flags |= HOST_CAP_64;
} else {
rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (rc) {
......@@ -879,15 +877,19 @@ static int ahci_host_init(struct ata_probe_ent *probe_ent)
}
/* move to PCI layer, integrate w/ MSI stuff */
static void pci_enable_intx(struct pci_dev *pdev)
static void pci_intx(struct pci_dev *pdev, int enable)
{
u16 pci_command;
u16 pci_command, new;
pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
if (pci_command & PCI_COMMAND_INTX_DISABLE) {
pci_command &= ~PCI_COMMAND_INTX_DISABLE;
if (enable)
new = pci_command & ~PCI_COMMAND_INTX_DISABLE;
else
new = pci_command | PCI_COMMAND_INTX_DISABLE;
if (new != pci_command)
pci_write_config_word(pdev, PCI_COMMAND, pci_command);
}
}
static void ahci_print_info(struct ata_probe_ent *probe_ent)
......@@ -969,7 +971,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
unsigned long base;
void *mmio_base;
unsigned int board_idx = (unsigned int) ent->driver_data;
int pci_dev_busy = 0;
int have_msi, pci_dev_busy = 0;
int rc;
VPRINTK("ENTER\n");
......@@ -987,12 +989,17 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out;
}
pci_enable_intx(pdev);
if (pci_enable_msi(pdev) == 0)
have_msi = 1;
else {
pci_intx(pdev, 1);
have_msi = 0;
}
probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
if (probe_ent == NULL) {
rc = -ENOMEM;
goto err_out_regions;
goto err_out_msi;
}
memset(probe_ent, 0, sizeof(*probe_ent));
......@@ -1025,6 +1032,9 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
probe_ent->mmio_base = mmio_base;
probe_ent->private_data = hpriv;
if (have_msi)
hpriv->flags |= AHCI_FLAG_MSI;
/* initialize adapter */
rc = ahci_host_init(probe_ent);
if (rc)
......@@ -1044,7 +1054,11 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
iounmap(mmio_base);
err_out_free_ent:
kfree(probe_ent);
err_out_regions:
err_out_msi:
if (have_msi)
pci_disable_msi(pdev);
else
pci_intx(pdev, 0);
pci_release_regions(pdev);
err_out:
if (!pci_dev_busy)
......@@ -1052,6 +1066,42 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
return rc;
}
static void ahci_remove_one (struct pci_dev *pdev)
{
struct device *dev = pci_dev_to_dev(pdev);
struct ata_host_set *host_set = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host_set->private_data;
struct ata_port *ap;
unsigned int i;
int have_msi;
for (i = 0; i < host_set->n_ports; i++) {
ap = host_set->ports[i];
scsi_remove_host(ap->host);
}
have_msi = hpriv->flags & AHCI_FLAG_MSI;
free_irq(host_set->irq, host_set);
for (i = 0; i < host_set->n_ports; i++) {
ap = host_set->ports[i];
ata_scsi_release(ap->host);
scsi_host_put(ap->host);
}
host_set->ops->host_stop(host_set);
kfree(host_set);
if (have_msi)
pci_disable_msi(pdev);
else
pci_intx(pdev, 0);
pci_release_regions(pdev);
pci_disable_device(pdev);
dev_set_drvdata(dev, NULL);
}
static int __init ahci_init(void)
{
......
......@@ -1295,6 +1295,37 @@ static void ata_dev_identify(struct ata_port *ap, unsigned int device)
DPRINTK("EXIT, err\n");
}
static inline u8 ata_dev_knobble(struct ata_port *ap)
{
return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(ap->device->id)));
}
/**
* ata_dev_config - Run device specific handlers and check for
* SATA->PATA bridges
* @ap: Bus
* @i: Device
*
* LOCKING:
*/
void ata_dev_config(struct ata_port *ap, unsigned int i)
{
/* limit bridge transfers to udma5, 200 sectors */
if (ata_dev_knobble(ap)) {
printk(KERN_INFO "ata%u(%u): applying bridge limits\n",
ap->id, ap->device->devno);
ap->udma_mask &= ATA_UDMA5;
ap->host->max_sectors = ATA_MAX_SECTORS;
ap->host->hostt->max_sectors = ATA_MAX_SECTORS;
ap->device->flags |= ATA_DFLAG_LOCK_SECTORS;
}
if (ap->ops->dev_config)
ap->ops->dev_config(ap, &ap->device[i]);
}
/**
* ata_bus_probe - Reset and probe ATA bus
* @ap: Bus to probe
......@@ -1322,8 +1353,7 @@ static int ata_bus_probe(struct ata_port *ap)
ata_dev_identify(ap, i);
if (ata_dev_present(&ap->device[i])) {
found = 1;
if (ap->ops->dev_config)
ap->ops->dev_config(ap, &ap->device[i]);
ata_dev_config(ap,i);
}
}
......@@ -4406,6 +4436,7 @@ EXPORT_SYMBOL_GPL(ata_scsi_release);
EXPORT_SYMBOL_GPL(ata_host_intr);
EXPORT_SYMBOL_GPL(ata_dev_classify);
EXPORT_SYMBOL_GPL(ata_dev_id_string);
EXPORT_SYMBOL_GPL(ata_dev_config);
EXPORT_SYMBOL_GPL(ata_scsi_simulate);
#ifdef CONFIG_PCI
......
......@@ -59,6 +59,7 @@ enum {
board_2037x = 0, /* FastTrak S150 TX2plus */
board_20319 = 1, /* FastTrak S150 TX4 */
board_20619 = 2, /* FastTrak TX4000 */
PDC_HAS_PATA = (1 << 1), /* PDC20375 has PATA */
......@@ -147,6 +148,17 @@ static struct ata_port_info pdc_port_info[] = {
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &pdc_ata_ops,
},
/* board_20619 */
{
.sht = &pdc_ata_sht,
.host_flags = ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &pdc_ata_ops,
},
};
static struct pci_device_id pdc_ata_pci_tbl[] = {
......@@ -172,6 +184,9 @@ static struct pci_device_id pdc_ata_pci_tbl[] = {
{ 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 },
{ } /* terminate list */
};
......@@ -636,6 +651,15 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
case board_2037x:
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();
break;
......@@ -676,7 +700,7 @@ static void __exit pdc_ata_exit(void)
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);
......
......@@ -49,7 +49,7 @@
#endif /* CONFIG_PPC_OF */
#define DRV_NAME "sata_svw"
#define DRV_VERSION "1.05"
#define DRV_VERSION "1.06"
/* Taskfile registers offsets */
#define K2_SATA_TF_CMD_OFFSET 0x00
......@@ -344,6 +344,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
void *mmio_base;
int pci_dev_busy = 0;
int rc;
int i;
if (!printed_version++)
printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
......@@ -421,11 +422,11 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
probe_ent->mwdma_mask = 0x7;
probe_ent->udma_mask = 0x7f;
/* We have 4 ports per PCI function */
k2_sata_setup_port(&probe_ent->port[0], base + 0 * K2_SATA_PORT_OFFSET);
k2_sata_setup_port(&probe_ent->port[1], base + 1 * K2_SATA_PORT_OFFSET);
k2_sata_setup_port(&probe_ent->port[2], base + 2 * K2_SATA_PORT_OFFSET);
k2_sata_setup_port(&probe_ent->port[3], base + 3 * K2_SATA_PORT_OFFSET);
/* different controllers have different number of ports - currently 4 or 8 */
/* All ports are on the same function. Multi-function device is no
* longer available. This should not be seen in any system. */
for (i = 0; i < ent->driver_data; i++)
k2_sata_setup_port(&probe_ent->port[i], base + i * K2_SATA_PORT_OFFSET);
pci_set_master(pdev);
......@@ -445,11 +446,17 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
return rc;
}
/* 0x240 is device ID for Apple K2 device
* 0x241 is device ID for Serverworks Frodo4
* 0x242 is device ID for Serverworks Frodo8
* 0x24a is device ID for BCM5785 (aka HT1000) HT southbridge integrated SATA
* controller
* */
static struct pci_device_id k2_sata_pci_tbl[] = {
{ 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ 0x1166, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ 0x1166, 0x0241, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ 0x1166, 0x0242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
{ 0x1166, 0x024a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
{ }
};
......
......@@ -224,6 +224,7 @@ struct ata_taskfile {
};
#define ata_id_is_ata(id) (((id)[0] & (1 << 15)) == 0)
#define ata_id_is_sata(id) ((id)[93] == 0)
#define ata_id_rahead_enabled(id) ((id)[85] & (1 << 6))
#define ata_id_wcache_enabled(id) ((id)[85] & (1 << 5))
#define ata_id_has_flush(id) ((id)[83] & (1 << 12))
......
......@@ -421,6 +421,7 @@ extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
extern unsigned int ata_dev_classify(struct ata_taskfile *tf);
extern void ata_dev_id_string(u16 *id, unsigned char *s,
unsigned int ofs, unsigned int len);
extern void ata_dev_config(struct ata_port *ap, unsigned int i);
extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
extern void ata_bmdma_start (struct ata_queued_cmd *qc);
extern void ata_bmdma_stop(struct ata_port *ap);
......
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