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authorJeff Garzik <jeff@garzik.org>2006-08-10 07:31:37 -0400
committerJeff Garzik <jeff@garzik.org>2006-08-10 07:31:37 -0400
commitc6fd280766a050b13360d7c2d59a3d6bd3a27d9a (patch)
treefdbeab639bc3dec29267bbf4b32cff7c8dd03593 /drivers/scsi/sata_sis.c
parentMerge branch 'tj-upstream-pci_register_driver' of git://htj.dyndns.org/libata-tj into upstream (diff)
downloadlinux-dev-c6fd280766a050b13360d7c2d59a3d6bd3a27d9a.tar.xz
linux-dev-c6fd280766a050b13360d7c2d59a3d6bd3a27d9a.zip
Move libata to drivers/ata.
Diffstat (limited to 'drivers/scsi/sata_sis.c')
-rw-r--r--drivers/scsi/sata_sis.c347
1 files changed, 0 insertions, 347 deletions
diff --git a/drivers/scsi/sata_sis.c b/drivers/scsi/sata_sis.c
deleted file mode 100644
index ac24f66897f6..000000000000
--- a/drivers/scsi/sata_sis.c
+++ /dev/null
@@ -1,347 +0,0 @@
-/*
- * sata_sis.c - Silicon Integrated Systems SATA
- *
- * Maintained by: Uwe Koziolek
- * Please ALWAYS copy linux-ide@vger.kernel.org
- * on emails.
- *
- * Copyright 2004 Uwe Koziolek
- *
- *
- * 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_sis"
-#define DRV_VERSION "0.6"
-
-enum {
- sis_180 = 0,
- SIS_SCR_PCI_BAR = 5,
-
- /* PCI configuration registers */
- SIS_GENCTL = 0x54, /* IDE General Control register */
- SIS_SCR_BASE = 0xc0, /* sata0 phy SCR registers */
- SIS180_SATA1_OFS = 0x10, /* offset from sata0->sata1 phy regs */
- SIS182_SATA1_OFS = 0x20, /* offset from sata0->sata1 phy regs */
- SIS_PMR = 0x90, /* port mapping register */
- SIS_PMR_COMBINED = 0x30,
-
- /* random bits */
- SIS_FLAG_CFGSCR = (1 << 30), /* host flag: SCRs via PCI cfg */
-
- GENCTL_IOMAPPED_SCR = (1 << 26), /* if set, SCRs are in IO space */
-};
-
-static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg);
-static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
-
-static const struct pci_device_id sis_pci_tbl[] = {
- { PCI_VENDOR_ID_SI, 0x180, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
- { PCI_VENDOR_ID_SI, 0x181, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
- { PCI_VENDOR_ID_SI, 0x182, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sis_180 },
- { } /* terminate list */
-};
-
-
-static struct pci_driver sis_pci_driver = {
- .name = DRV_NAME,
- .id_table = sis_pci_tbl,
- .probe = sis_init_one,
- .remove = ata_pci_remove_one,
-};
-
-static struct scsi_host_template sis_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 = ATA_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 sis_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_pio_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,
- .scr_read = sis_scr_read,
- .scr_write = sis_scr_write,
- .port_start = ata_port_start,
- .port_stop = ata_port_stop,
- .host_stop = ata_host_stop,
-};
-
-static struct ata_port_info sis_port_info = {
- .sht = &sis_sht,
- .host_flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
- .pio_mask = 0x1f,
- .mwdma_mask = 0x7,
- .udma_mask = 0x7f,
- .port_ops = &sis_ops,
-};
-
-
-MODULE_AUTHOR("Uwe Koziolek");
-MODULE_DESCRIPTION("low-level driver for Silicon Integratad Systems SATA controller");
-MODULE_LICENSE("GPL");
-MODULE_DEVICE_TABLE(pci, sis_pci_tbl);
-MODULE_VERSION(DRV_VERSION);
-
-static unsigned int get_scr_cfg_addr(unsigned int port_no, unsigned int sc_reg, int device)
-{
- unsigned int addr = SIS_SCR_BASE + (4 * sc_reg);
-
- if (port_no) {
- if (device == 0x182)
- addr += SIS182_SATA1_OFS;
- else
- addr += SIS180_SATA1_OFS;
- }
-
- return addr;
-}
-
-static u32 sis_scr_cfg_read (struct ata_port *ap, unsigned int sc_reg)
-{
- struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
- unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, sc_reg, pdev->device);
- u32 val, val2 = 0;
- u8 pmr;
-
- if (sc_reg == SCR_ERROR) /* doesn't exist in PCI cfg space */
- return 0xffffffff;
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
- pci_read_config_dword(pdev, cfg_addr, &val);
-
- if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED))
- pci_read_config_dword(pdev, cfg_addr+0x10, &val2);
-
- return val|val2;
-}
-
-static void sis_scr_cfg_write (struct ata_port *ap, unsigned int scr, u32 val)
-{
- struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
- unsigned int cfg_addr = get_scr_cfg_addr(ap->port_no, scr, pdev->device);
- u8 pmr;
-
- if (scr == SCR_ERROR) /* doesn't exist in PCI cfg space */
- return;
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
- pci_write_config_dword(pdev, cfg_addr, val);
-
- if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED))
- pci_write_config_dword(pdev, cfg_addr+0x10, val);
-}
-
-static u32 sis_scr_read (struct ata_port *ap, unsigned int sc_reg)
-{
- struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
- u32 val, val2 = 0;
- u8 pmr;
-
- if (sc_reg > SCR_CONTROL)
- return 0xffffffffU;
-
- if (ap->flags & SIS_FLAG_CFGSCR)
- return sis_scr_cfg_read(ap, sc_reg);
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
- val = inl(ap->ioaddr.scr_addr + (sc_reg * 4));
-
- if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED))
- val2 = inl(ap->ioaddr.scr_addr + (sc_reg * 4) + 0x10);
-
- return val | val2;
-}
-
-static void sis_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
-{
- struct pci_dev *pdev = to_pci_dev(ap->host_set->dev);
- u8 pmr;
-
- if (sc_reg > SCR_CONTROL)
- return;
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
-
- if (ap->flags & SIS_FLAG_CFGSCR)
- sis_scr_cfg_write(ap, sc_reg, val);
- else {
- outl(val, ap->ioaddr.scr_addr + (sc_reg * 4));
- if ((pdev->device == 0x182) || (pmr & SIS_PMR_COMBINED))
- outl(val, ap->ioaddr.scr_addr + (sc_reg * 4)+0x10);
- }
-}
-
-static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
-{
- static int printed_version;
- struct ata_probe_ent *probe_ent = NULL;
- int rc;
- u32 genctl;
- struct ata_port_info *ppi;
- int pci_dev_busy = 0;
- u8 pmr;
- u8 port2_start;
-
- if (!printed_version++)
- dev_printk(KERN_INFO, &pdev->dev, "version " DRV_VERSION "\n");
-
- rc = pci_enable_device(pdev);
- if (rc)
- return rc;
-
- rc = pci_request_regions(pdev, DRV_NAME);
- if (rc) {
- pci_dev_busy = 1;
- goto err_out;
- }
-
- rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
- if (rc)
- goto err_out_regions;
- rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
- if (rc)
- goto err_out_regions;
-
- ppi = &sis_port_info;
- probe_ent = ata_pci_init_native_mode(pdev, &ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
- if (!probe_ent) {
- rc = -ENOMEM;
- goto err_out_regions;
- }
-
- /* check and see if the SCRs are in IO space or PCI cfg space */
- pci_read_config_dword(pdev, SIS_GENCTL, &genctl);
- if ((genctl & GENCTL_IOMAPPED_SCR) == 0)
- probe_ent->host_flags |= SIS_FLAG_CFGSCR;
-
- /* if hardware thinks SCRs are in IO space, but there are
- * no IO resources assigned, change to PCI cfg space.
- */
- if ((!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) &&
- ((pci_resource_start(pdev, SIS_SCR_PCI_BAR) == 0) ||
- (pci_resource_len(pdev, SIS_SCR_PCI_BAR) < 128))) {
- genctl &= ~GENCTL_IOMAPPED_SCR;
- pci_write_config_dword(pdev, SIS_GENCTL, genctl);
- probe_ent->host_flags |= SIS_FLAG_CFGSCR;
- }
-
- pci_read_config_byte(pdev, SIS_PMR, &pmr);
- if (ent->device != 0x182) {
- if ((pmr & SIS_PMR_COMBINED) == 0) {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 180/181 chipset in SATA mode\n");
- port2_start = 64;
- }
- else {
- dev_printk(KERN_INFO, &pdev->dev,
- "Detected SiS 180/181 chipset in combined mode\n");
- port2_start=0;
- }
- }
- else {
- dev_printk(KERN_INFO, &pdev->dev, "Detected SiS 182 chipset\n");
- port2_start = 0x20;
- }
-
- if (!(probe_ent->host_flags & SIS_FLAG_CFGSCR)) {
- probe_ent->port[0].scr_addr =
- pci_resource_start(pdev, SIS_SCR_PCI_BAR);
- probe_ent->port[1].scr_addr =
- pci_resource_start(pdev, SIS_SCR_PCI_BAR) + port2_start;
- }
-
- pci_set_master(pdev);
- pci_intx(pdev, 1);
-
- /* FIXME: check ata_device_add return value */
- ata_device_add(probe_ent);
- kfree(probe_ent);
-
- return 0;
-
-err_out_regions:
- pci_release_regions(pdev);
-
-err_out:
- if (!pci_dev_busy)
- pci_disable_device(pdev);
- return rc;
-
-}
-
-static int __init sis_init(void)
-{
- return pci_register_driver(&sis_pci_driver);
-}
-
-static void __exit sis_exit(void)
-{
- pci_unregister_driver(&sis_pci_driver);
-}
-
-module_init(sis_init);
-module_exit(sis_exit);
-