config: tegra3: enable /dev mount with ACL
[linux-2.6.git] / drivers / ata / sata_uli.c
index d659ace..b54ebfc 100644 (file)
@@ -26,6 +26,7 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
+#include <linux/gfp.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/blkdev.h>
@@ -36,7 +37,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME       "sata_uli"
-#define DRV_VERSION    "1.1"
+#define DRV_VERSION    "1.3"
 
 enum {
        uli_5289                = 0,
@@ -56,9 +57,9 @@ struct uli_priv {
        unsigned int            scr_cfg_addr[uli_max_ports];
 };
 
-static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg);
-static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
+static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
+static int uli_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
+static int uli_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
 
 static const struct pci_device_id uli_pci_tbl[] = {
        { PCI_VDEVICE(AL, 0x5289), uli_5289 },
@@ -76,62 +77,20 @@ static struct pci_driver uli_pci_driver = {
 };
 
 static struct scsi_host_template uli_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_BMDMA_SHT(DRV_NAME),
 };
 
-static const struct ata_port_operations uli_ops = {
-       .port_disable           = ata_port_disable,
-
-       .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,
-
-       .bmdma_setup            = ata_bmdma_setup,
-       .bmdma_start            = ata_bmdma_start,
-       .bmdma_stop             = ata_bmdma_stop,
-       .bmdma_status           = ata_bmdma_status,
-       .qc_prep                = ata_qc_prep,
-       .qc_issue               = ata_qc_issue_prot,
-       .data_xfer              = ata_data_xfer,
-
-       .freeze                 = ata_bmdma_freeze,
-       .thaw                   = ata_bmdma_thaw,
-       .error_handler          = ata_bmdma_error_handler,
-       .post_internal_cmd      = ata_bmdma_post_internal_cmd,
-
-       .irq_handler            = ata_interrupt,
-       .irq_clear              = ata_bmdma_irq_clear,
-       .irq_on                 = ata_irq_on,
-       .irq_ack                = ata_irq_ack,
-
+static struct ata_port_operations uli_ops = {
+       .inherits               = &ata_bmdma_port_ops,
        .scr_read               = uli_scr_read,
        .scr_write              = uli_scr_write,
-
-       .port_start             = ata_port_start,
+       .hardreset              = ATA_OP_NULL,
 };
 
-static struct ata_port_info uli_port_info = {
-       .sht            = &uli_sht,
-       .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                         ATA_FLAG_IGN_SIMPLEX,
-       .pio_mask       = 0x1f,         /* pio0-4 */
-       .udma_mask      = 0x7f,         /* udma0-6 */
+static const struct ata_port_info uli_port_info = {
+       .flags          = ATA_FLAG_SATA | ATA_FLAG_IGN_SIMPLEX,
+       .pio_mask       = ATA_PIO4,
+       .udma_mask      = ATA_UDMA6,
        .port_ops       = &uli_ops,
 };
 
@@ -148,105 +107,119 @@ static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)
        return hpriv->scr_cfg_addr[ap->port_no] + (4 * sc_reg);
 }
 
-static u32 uli_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg)
+static u32 uli_scr_cfg_read(struct ata_link *link, unsigned int sc_reg)
 {
-       struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-       unsigned int cfg_addr = get_scr_cfg_addr(ap, sc_reg);
+       struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
+       unsigned int cfg_addr = get_scr_cfg_addr(link->ap, sc_reg);
        u32 val;
 
        pci_read_config_dword(pdev, cfg_addr, &val);
        return val;
 }
 
-static void uli_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val)
+static void uli_scr_cfg_write(struct ata_link *link, unsigned int scr, u32 val)
 {
-       struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-       unsigned int cfg_addr = get_scr_cfg_addr(ap, scr);
+       struct pci_dev *pdev = to_pci_dev(link->ap->host->dev);
+       unsigned int cfg_addr = get_scr_cfg_addr(link->ap, scr);
 
        pci_write_config_dword(pdev, cfg_addr, val);
 }
 
-static u32 uli_scr_read (struct ata_port *ap, unsigned int sc_reg)
+static int uli_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val)
 {
        if (sc_reg > SCR_CONTROL)
-               return 0xffffffffU;
+               return -EINVAL;
 
-       return uli_scr_cfg_read(ap, sc_reg);
+       *val = uli_scr_cfg_read(link, sc_reg);
+       return 0;
 }
 
-static void uli_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
+static int uli_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)
 {
-       if (sc_reg > SCR_CONTROL)       //SCR_CONTROL=2, SCR_ERROR=1, SCR_STATUS=0
-               return;
+       if (sc_reg > SCR_CONTROL) //SCR_CONTROL=2, SCR_ERROR=1, SCR_STATUS=0
+               return -EINVAL;
 
-       uli_scr_cfg_write(ap, sc_reg, val);
+       uli_scr_cfg_write(link, sc_reg, val);
+       return 0;
 }
 
-static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
+static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
-       static int printed_version;
-       struct ata_probe_ent *probe_ent;
-       struct ata_port_info *ppi[2];
-       int rc;
+       const struct ata_port_info *ppi[] = { &uli_port_info, NULL };
        unsigned int board_idx = (unsigned int) ent->driver_data;
+       struct ata_host *host;
        struct uli_priv *hpriv;
        void __iomem * const *iomap;
+       struct ata_ioports *ioaddr;
+       int n_ports, rc;
 
-       if (!printed_version++)
-               dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
+       ata_print_version_once(&pdev->dev, DRV_VERSION);
 
        rc = pcim_enable_device(pdev);
        if (rc)
                return rc;
 
-       rc = pci_request_regions(pdev, DRV_NAME);
-       if (rc) {
-               pcim_pin_device(pdev);
-               return rc;
-       }
-
-       rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
-       if (rc)
-               return rc;
-       rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
-       if (rc)
-               return rc;
+       n_ports = 2;
+       if (board_idx == uli_5287)
+               n_ports = 4;
 
-       ppi[0] = ppi[1] = &uli_port_info;
-       probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
-       if (!probe_ent)
+       /* allocate the host */
+       host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
+       if (!host)
                return -ENOMEM;
 
        hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL);
        if (!hpriv)
                return -ENOMEM;
+       host->private_data = hpriv;
+
+       /* the first two ports are standard SFF */
+       rc = ata_pci_sff_init_host(host);
+       if (rc)
+               return rc;
 
-       probe_ent->private_data = hpriv;
+       ata_pci_bmdma_init(host);
 
-       iomap = pcim_iomap_table(pdev);
+       iomap = host->iomap;
 
        switch (board_idx) {
        case uli_5287:
+               /* If there are four, the last two live right after
+                * the standard SFF ports.
+                */
                hpriv->scr_cfg_addr[0] = ULI5287_BASE;
                hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS;
-                       probe_ent->n_ports = 4;
 
-               probe_ent->port[2].cmd_addr = iomap[0] + 8;
-               probe_ent->port[2].altstatus_addr =
-               probe_ent->port[2].ctl_addr = (void __iomem *)
+               ioaddr = &host->ports[2]->ioaddr;
+               ioaddr->cmd_addr = iomap[0] + 8;
+               ioaddr->altstatus_addr =
+               ioaddr->ctl_addr = (void __iomem *)
                        ((unsigned long)iomap[1] | ATA_PCI_CTL_OFS) + 4;
-               probe_ent->port[2].bmdma_addr = iomap[4] + 16;
+               ioaddr->bmdma_addr = iomap[4] + 16;
                hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4;
-
-               probe_ent->port[3].cmd_addr = iomap[2] + 8;
-               probe_ent->port[3].altstatus_addr =
-               probe_ent->port[3].ctl_addr = (void __iomem *)
+               ata_sff_std_ports(ioaddr);
+
+               ata_port_desc(host->ports[2],
+                       "cmd 0x%llx ctl 0x%llx bmdma 0x%llx",
+                       (unsigned long long)pci_resource_start(pdev, 0) + 8,
+                       ((unsigned long long)pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS) + 4,
+                       (unsigned long long)pci_resource_start(pdev, 4) + 16);
+
+               ioaddr = &host->ports[3]->ioaddr;
+               ioaddr->cmd_addr = iomap[2] + 8;
+               ioaddr->altstatus_addr =
+               ioaddr->ctl_addr = (void __iomem *)
                        ((unsigned long)iomap[3] | ATA_PCI_CTL_OFS) + 4;
-               probe_ent->port[3].bmdma_addr = iomap[4] + 24;
+               ioaddr->bmdma_addr = iomap[4] + 24;
                hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5;
+               ata_sff_std_ports(ioaddr);
+
+               ata_port_desc(host->ports[2],
+                       "cmd 0x%llx ctl 0x%llx bmdma 0x%llx",
+                       (unsigned long long)pci_resource_start(pdev, 2) + 9,
+                       ((unsigned long long)pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS) + 4,
+                       (unsigned long long)pci_resource_start(pdev, 4) + 24);
 
-               ata_std_ports(&probe_ent->port[2]);
-               ata_std_ports(&probe_ent->port[3]);
                break;
 
        case uli_5289:
@@ -266,12 +239,8 @@ static int uli_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
        pci_set_master(pdev);
        pci_intx(pdev, 1);
-
-       if (!ata_device_add(probe_ent))
-               return -ENODEV;
-
-       devm_kfree(&pdev->dev, probe_ent);
-       return 0;
+       return ata_host_activate(host, pdev->irq, ata_bmdma_interrupt,
+                                IRQF_SHARED, &uli_sht);
 }
 
 static int __init uli_init(void)