config: tegra3: enable /dev mount with ACL
[linux-2.6.git] / drivers / ata / pata_ixp4xx_cf.c
index 6bf1709..15b6431 100644 (file)
@@ -30,25 +30,23 @@ static int ixp4xx_set_mode(struct ata_link *link, struct ata_device **error)
 {
        struct ata_device *dev;
 
-       ata_link_for_each_dev(dev, link) {
-               if (ata_dev_enabled(dev)) {
-                       ata_dev_printk(dev, KERN_INFO, "configured for PIO0\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 PIO0\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 void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
-                               unsigned int buflen, int write_data)
+static unsigned int ixp4xx_mmio_data_xfer(struct ata_device *dev,
+                               unsigned char *buf, unsigned int buflen, int rw)
 {
        unsigned int i;
        unsigned int words = buflen >> 1;
        u16 *buf16 = (u16 *) buf;
-       struct ata_port *ap = adev->link->ap;
+       struct ata_port *ap = dev->link->ap;
        void __iomem *mmio = ap->ioaddr.data_addr;
        struct ixp4xx_pata_data *data = ap->host->dev->platform_data;
 
@@ -59,87 +57,58 @@ static void ixp4xx_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
        udelay(100);
 
        /* Transfer multiple of 2 bytes */
-       if (write_data) {
-               for (i = 0; i < words; i++)
-                       writew(buf16[i], mmio);
-       } else {
+       if (rw == READ)
                for (i = 0; i < words; i++)
                        buf16[i] = readw(mmio);
-       }
+       else
+               for (i = 0; i < words; i++)
+                       writew(buf16[i], mmio);
 
        /* Transfer trailing 1 byte, if any. */
        if (unlikely(buflen & 0x01)) {
                u16 align_buf[1] = { 0 };
                unsigned char *trailing_buf = buf + buflen - 1;
 
-               if (write_data) {
-                       memcpy(align_buf, trailing_buf, 1);
-                       writew(align_buf[0], mmio);
-               } else {
+               if (rw == READ) {
                        align_buf[0] = readw(mmio);
                        memcpy(trailing_buf, align_buf, 1);
+               } else {
+                       memcpy(align_buf, trailing_buf, 1);
+                       writew(align_buf[0], mmio);
                }
+               words++;
        }
 
        udelay(100);
        *data->cs0_cfg |= 0x01;
+
+       return words << 1;
 }
 
 static struct scsi_host_template ixp4xx_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 struct ata_port_operations ixp4xx_port_ops = {
-       .set_mode               = ixp4xx_set_mode,
-       .mode_filter            = ata_pci_default_filter,
-
-       .port_disable           = ata_port_disable,
-       .tf_load                = ata_tf_load,
-       .tf_read                = ata_tf_read,
-       .exec_command           = ata_exec_command,
-       .check_status           = ata_check_status,
-       .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,
-
-       .qc_prep                = ata_qc_prep,
-       .qc_issue               = ata_qc_issue_prot,
-       .data_xfer              = ixp4xx_mmio_data_xfer,
+       .inherits               = &ata_sff_port_ops,
+       .sff_data_xfer          = ixp4xx_mmio_data_xfer,
        .cable_detect           = ata_cable_40wire,
-
-       .irq_handler            = ata_interrupt,
-       .irq_clear              = ata_bmdma_irq_clear,
-       .irq_on                 = ata_irq_on,
-       .irq_ack                = ata_dummy_irq_ack,
-
-       .port_start             = ata_port_start,
+       .set_mode               = ixp4xx_set_mode,
 };
 
-static void ixp4xx_setup_port(struct ata_ioports *ioaddr,
-                               struct ixp4xx_pata_data *data)
+static void ixp4xx_setup_port(struct ata_port *ap,
+                             struct ixp4xx_pata_data *data,
+                             unsigned long raw_cs0, unsigned long raw_cs1)
 {
+       struct ata_ioports *ioaddr = &ap->ioaddr;
+       unsigned long raw_cmd = raw_cs0;
+       unsigned long raw_ctl = raw_cs1 + 0x06;
+
        ioaddr->cmd_addr        = data->cs0;
        ioaddr->altstatus_addr  = data->cs1 + 0x06;
        ioaddr->ctl_addr        = data->cs1 + 0x06;
 
-       ata_std_ports(ioaddr);
+       ata_sff_std_ports(ioaddr);
 
 #ifndef __ARMEB__
 
@@ -160,7 +129,12 @@ static void ixp4xx_setup_port(struct ata_ioports *ioaddr,
        *(unsigned long *)&ioaddr->device_addr          ^= 0x03;
        *(unsigned long *)&ioaddr->status_addr          ^= 0x03;
        *(unsigned long *)&ioaddr->command_addr         ^= 0x03;
+
+       raw_cmd ^= 0x03;
+       raw_ctl ^= 0x03;
 #endif
+
+       ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", raw_cmd, raw_ctl);
 }
 
 static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
@@ -183,7 +157,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        /* acquire resources and fill host */
-       pdev->dev.coherent_dma_mask = DMA_32BIT_MASK;
+       pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
 
        data->cs0 = devm_ioremap(&pdev->dev, cs0->start, 0x1000);
        data->cs1 = devm_ioremap(&pdev->dev, cs1->start, 0x1000);
@@ -193,7 +167,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
 
        irq = platform_get_irq(pdev, 0);
        if (irq)
-               set_irq_type(irq, IRQT_RISING);
+               irq_set_irq_type(irq, IRQ_TYPE_EDGE_RISING);
 
        /* Setup expansion bus chip selects */
        *data->cs0_cfg = data->cs0_bits;
@@ -202,15 +176,15 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
        ap = host->ports[0];
 
        ap->ops = &ixp4xx_port_ops;
-       ap->pio_mask = 0x1f; /* PIO4 */
-       ap->flags |= ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY | ATA_FLAG_NO_ATAPI;
+       ap->pio_mask = ATA_PIO4;
+       ap->flags |= ATA_FLAG_NO_ATAPI;
 
-       ixp4xx_setup_port(&ap->ioaddr, data);
+       ixp4xx_setup_port(ap, data, cs0->start, cs1->start);
 
-       dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
+       ata_print_version_once(&pdev->dev, DRV_VERSION);
 
        /* activate host */
-       return ata_host_activate(host, irq, ata_interrupt, 0, &ixp4xx_sht);
+       return ata_host_activate(host, irq, ata_sff_interrupt, 0, &ixp4xx_sht);
 }
 
 static __devexit int ixp4xx_pata_remove(struct platform_device *dev)
@@ -245,6 +219,7 @@ MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
 MODULE_DESCRIPTION("low-level driver for ixp4xx Compact Flash PATA");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
+MODULE_ALIAS("platform:" DRV_NAME);
 
 module_init(ixp4xx_pata_init);
 module_exit(ixp4xx_pata_exit);