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Diffstat (limited to 'cleopatre/linux-2.6.25.10-spc300/drivers/ata/sata_uli.c')
-rw-r--r--cleopatre/linux-2.6.25.10-spc300/drivers/ata/sata_uli.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/cleopatre/linux-2.6.25.10-spc300/drivers/ata/sata_uli.c b/cleopatre/linux-2.6.25.10-spc300/drivers/ata/sata_uli.c
new file mode 100644
index 0000000000..e710e71b7b
--- /dev/null
+++ b/cleopatre/linux-2.6.25.10-spc300/drivers/ata/sata_uli.c
@@ -0,0 +1,298 @@
+/*
+ * sata_uli.c - ULi Electronics SATA
+ *
+ *
+ * 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 documentation available under NDA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <scsi/scsi_host.h>
+#include <linux/libata.h>
+
+#define DRV_NAME "sata_uli"
+#define DRV_VERSION "1.3"
+
+enum {
+ uli_5289 = 0,
+ uli_5287 = 1,
+ uli_5281 = 2,
+
+ uli_max_ports = 4,
+
+ /* PCI configuration registers */
+ ULI5287_BASE = 0x90, /* sata0 phy SCR registers */
+ ULI5287_OFFS = 0x10, /* offset from sata0->sata1 phy regs */
+ ULI5281_BASE = 0x60, /* sata0 phy SCR registers */
+ ULI5281_OFFS = 0x60, /* offset from sata0->sata1 phy regs */
+};
+
+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 int uli_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
+static int uli_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
+
+static const struct pci_device_id uli_pci_tbl[] = {
+ { PCI_VDEVICE(AL, 0x5289), uli_5289 },
+ { PCI_VDEVICE(AL, 0x5287), uli_5287 },
+ { PCI_VDEVICE(AL, 0x5281), uli_5281 },
+
+ { } /* terminate list */
+};
+
+static struct pci_driver uli_pci_driver = {
+ .name = DRV_NAME,
+ .id_table = uli_pci_tbl,
+ .probe = uli_init_one,
+ .remove = ata_pci_remove_one,
+};
+
+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,
+};
+
+static const struct ata_port_operations uli_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,
+
+ .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_clear = ata_bmdma_irq_clear,
+ .irq_on = ata_irq_on,
+
+ .scr_read = uli_scr_read,
+ .scr_write = uli_scr_write,
+
+ .port_start = ata_port_start,
+};
+
+static const struct ata_port_info uli_port_info = {
+ .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+ ATA_FLAG_IGN_SIMPLEX,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &uli_ops,
+};
+
+
+MODULE_AUTHOR("Peer Chen");
+MODULE_DESCRIPTION("low-level driver for ULi Electronics SATA controller");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, uli_pci_tbl);
+MODULE_VERSION(DRV_VERSION);
+
+static unsigned int get_scr_cfg_addr(struct ata_port *ap, unsigned int sc_reg)
+{
+ struct uli_priv *hpriv = ap->host->private_data;
+ 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)
+{
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ unsigned int cfg_addr = get_scr_cfg_addr(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)
+{
+ struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ unsigned int cfg_addr = get_scr_cfg_addr(ap, scr);
+
+ pci_write_config_dword(pdev, cfg_addr, val);
+}
+
+static int uli_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val)
+{
+ if (sc_reg > SCR_CONTROL)
+ return -EINVAL;
+
+ *val = uli_scr_cfg_read(ap, sc_reg);
+ return 0;
+}
+
+static int uli_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val)
+{
+ if (sc_reg > SCR_CONTROL) //SCR_CONTROL=2, SCR_ERROR=1, SCR_STATUS=0
+ return -EINVAL;
+
+ uli_scr_cfg_write(ap, sc_reg, val);
+ return 0;
+}
+
+static int uli_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ static int printed_version;
+ 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");
+
+ rc = pcim_enable_device(pdev);
+ if (rc)
+ return rc;
+
+ n_ports = 2;
+ if (board_idx == uli_5287)
+ n_ports = 4;
+
+ /* 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_init_sff_host(host);
+ if (rc)
+ return rc;
+
+ rc = ata_pci_init_bmdma(host);
+ if (rc)
+ return rc;
+
+ 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;
+
+ 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;
+ ioaddr->bmdma_addr = iomap[4] + 16;
+ hpriv->scr_cfg_addr[2] = ULI5287_BASE + ULI5287_OFFS*4;
+ ata_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;
+ ioaddr->bmdma_addr = iomap[4] + 24;
+ hpriv->scr_cfg_addr[3] = ULI5287_BASE + ULI5287_OFFS*5;
+ ata_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);
+
+ break;
+
+ case uli_5289:
+ hpriv->scr_cfg_addr[0] = ULI5287_BASE;
+ hpriv->scr_cfg_addr[1] = ULI5287_BASE + ULI5287_OFFS;
+ break;
+
+ case uli_5281:
+ hpriv->scr_cfg_addr[0] = ULI5281_BASE;
+ hpriv->scr_cfg_addr[1] = ULI5281_BASE + ULI5281_OFFS;
+ break;
+
+ default:
+ BUG();
+ break;
+ }
+
+ pci_set_master(pdev);
+ pci_intx(pdev, 1);
+ return ata_host_activate(host, pdev->irq, ata_interrupt, IRQF_SHARED,
+ &uli_sht);
+}
+
+static int __init uli_init(void)
+{
+ return pci_register_driver(&uli_pci_driver);
+}
+
+static void __exit uli_exit(void)
+{
+ pci_unregister_driver(&uli_pci_driver);
+}
+
+
+module_init(uli_init);
+module_exit(uli_exit);